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Questions List
Mrs. Verma earns Rs.18000 per month. She spends 7/12 on household items and 1/8 on rest of the things. The amount she saves is :
A sum of Rs.11200 is shared among Mr. Khare, Mr. Patel and Mr. Verma. Mr. Khare gets 1/4th of it while Mr. Patel gets 1/5th of it. The amount of Mr. Verma is :
From a container of wine, a thief has stolen 15 litres of wine and replaced it with same quantity of water. He again repeat the same process Thus in three attempts the ratio of wine and water became 343:169. The initial amount of wine in the container was :
The average length of first 3 fingers is 3 inches and the average length of other 2 fingers i.e , thumb and the index finger is 2.8 inches. If the length of index finger is 3 inches then the length of thumb is :
In our Singapore office there are 60% female employees. 50% of all the male employees are computer literate. If there are total 62% employees computer literate out of the total 1600 employees, then the number of female employees who are computer literate :
In an election only two candidates contested 20% of the voters did not vote and 120 votes were declared as invalid. The winner got 200 votes more than his opponents thus he secured 41% votes of total voters on the voter list. Percentage votes of the defeated candidate out of the total votes casted is :
The ratio of salary of A : B = 1 : 2, B : C = 3 : 4, C : D = 5 : 6 and D : E = 7 : 8. What is the ratio of salary of A and E ?
The ratio of income of Anil and Mukesh is 2:3. The sum of their expenditure is Rs. 8000 and the amount of savings of Anil is equal to the amont of expenditure of Mukesh. What is the sum of their savings ?
If p be a prime number, then p^2 + 1 cannot have its unit digit is :
The number of numbers from 1 to 200 which are divisible by neither 3 nor 7 is :
The ratio of cost price and marked price of an article is 2 : 3 and the ratio of percentage profit and percentage discount is 3 : 2. What is the discount percentage ?
A trader sells 20 kg of suger at Rs. 400. A customer asks 20% discount and he agrees to it but instead of 1 kg he gives 4% less sugar. What is the effective discount that the customer gets ?
A sum of money in 3 years becomes 1344 and in 7 years it becomes Rs. 1536. What is the principal sum where simple rate of interest is to be charged ?
A sum of amount at r% compound interest doubles in 3 years. In 9 years it will be K times of the original principal. What is the value of K ?
A can finish a piece of work in 12 days while B can finish a piece of work in 15 days. If both work at it together, what time will they take to do the work ?
A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. The number of days taken by B to finish the work is :
Amit covers a certain distance with his own speed, but when he reduces his speed by 10 km / h his time duration for the journey increases by 40 hours, while if he increases his speed by 5 km / h from his original speed he takes 10 hours less than the original time taken. Find the distance covered by him.
The ratio of time taken to run a certain distance by Pythagorus and Hawkins is 4 : 3 and thus Hawkins wins the race by 360 m. What is the of race course ?
If the primeter of a rectangle and a square each is equal to 80 cm and the difference of their areas is 100 sq. cm, the sides of rectangle are :
Three cubes of metal, whose edges are 3 cm , 4 cm and 5 cm respectively are melted to form a new cube. What is the surface area of the new cube ?
If x + y = 25 and x ^ 2 * y ^ 3 = 25, what is the value of xy ?
If a ^ x = b, b ^ y = c, c ^ z = a, then the value of xyz is :
A passenger train takes 2 hours less for a journey of 300 km if its speed is increased by 5 km / hr from its usual speed. Find the usual spped of the train.
A two digit number is such that the product of its digits is 12. When 36 is added to the number, its digits are reversed. Find the number.
Find the sum of 11 terms of -7, -2, 3, 8, ...
If the sum of 4 terms of an A.P. is 36, then find the A.M. of the A.P.
How many 6 digit telephone numbers can be constructed with the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 if each number starts with 35 and no digit appears more than once ?
In how many ways can the letters of the word REPEAT be arranged ?
Find P( A ∩ B ).
Ashmit can solve 80% of the problem given in a book and Amisha can solve 70%. What is the probability that at least one of them will solve a problem, selected at random from the book ?
Find the coordinates of the circumcentre of the triangle whose vertices are ( 8, 6 ), ( 8, - 2 ) and ( 2, - 2 ) :
If the coordinates of the mid points of the sides of a triangle are ( 1, 1 ), ( 2, - 3 ) and ( 3, 4 ). Find its centroid :
Two arcs of two different circles are of equal lengths. If these arcs subtends angles of 45° and 60° at the centres of the circles. Find the ratio of the radii of the two circles.
The wheel of a railway carriage is 4 ft in diameter and makes 6 revolution per second, how fast is the train going ?
If log10 x - log10 √x = 2 / log10 x, find the value of x.
If ( Log a ) / ( b - c ) =( log b ) /( c - a ) = ( log c ) / ( a - b ) , then find the value of a ^ a . b ^ b .c ^ c .
The complement of 65°50’ is :
The supplement of 123°45’ is :
The domain of f(x) = log ( 5x - 6 - X ^ 2 ) is :
What is the minimum value of the expression x ^ 2 + 8x + 10 ?
A milkman has two types of milk. In the first container the percentage of milk is 80% and in the second container the percentage of milk is 60%. If he mixes 28 litres of milk of first container to the 32 litres of milk of the second container , then the percentage of milk in the mixture is :
Modern electronic shop sold the 30%, hardware at the profit of 50% and 90% software at the profit of 10%. The average profit percent of the modern electronic shop is, if it sells only these two kinds of things :
10 years ago the average age of all the 25 teachers of the girls collage was 45 years . 4 years ago, the principle has retired from her post at the age of 60 year . So after one year a new principle whose age was 54 years recruited from outside . The present average age of all the teacher is, if principal is also considered as a teacher :
The average weight of the 11 players of Indian cricket team is 50 kg . If the average of first six lightest weight players is 49 kg and that of the six heaviest players is 52 kg . The average weight of the player which lies in the sixth position in the list of players when all the 11 players are arranged in the order of increasing or decreasing weights:
The value of { 1 / ( √6 - √5 ) - 1 / ( √5 - √4 ) + 1 / ( √4 - √3 ) - 1 / ( √3 - √2 ) + 1 / ( √2 - √1 ) } is :
If (25)n * (31)n = (1015)n then the value of (13)n * (52)n is when n > 0 :
Find the square root of 7 - 2√10 .
If n! = [ ( n + 4 )! / ( n + 1 )! ] , then the value of n is :
The value of ( 1.2.3... 9 ) . ( 11.12.13...19 ) . ( 21.22.23... 29 ) . ( 31.32.33... 39 ) . ( 41.42.43... 49 ) . ( 51.52.53... 59 ) ... ( 91.92.93... 99 ) .
Find the number of zeros at the end of the product of the expression ( 2 ^ 1 ) * ( 5 ^ 2 ) * ( 2 ^ 3 ) * ( 5 ^ 4 ) * ( 2 ^ 5 ) * ( 5 ^ 6 ) * ( 2 ^ 7 ) * ( 5 ^ 8 ) * ( 2 ^ 9 ) * ( 5 ^ 10 )
The average salary of all the 60 employees in an office is Rs. 12,000 per month . If the number of executives is twice the number of the non executive employees, then the average salary of all the non executive employees is :
The average temperature on Monday, Tuesday and Wednesday is 38° C. The average temperature on Tuesday, Wednesday and Thursday is 43° C. If the average temperature on Monday and Thursday is 18.5° C. The average temperature on Monday is :
Pankaj went to the post - office at the speed of 60 km / hr while returning for his home he covered the distance at the speed of 10 km / hr ; but suddenly he realized that he was getting late so he increased the speed and reached the home by covering rest half of the distance at the speed of 30 km/ hr . The average speed of the Pankaj in the whole length of journey is :
Rajeev earns 3 / 2 times in January , April , July and October than his average earning of Rs . 600 per month in the rest of the months . So his saving in the January , April and October goes to 5 / 4 times that of the rest months saving of Rs 400 per months in th e year . The average expenditure of per months is :
Amitabh's average expenditure for the January to June is Rs. 4200 and he spends Rs. 1200 in January and Rs. 1500 in July. The average expenditure for the months of February to July is :
The average of a, 11, 23, 17 is 15 and the average of a, b, 12, 25 is 16. The value of a / b is :
Monthly income of A and B are in the ratio of 4 : 3 and their savings are in the ratio of 3 : 2 . If the expenditure of each will be Rs. 600, then the monthly income of each are :
The income of A , B , C are in the ratio of 12 : 9 : 7 and their spendings are ratio 15 : 9 : 8 . If A saves 25% of his income . What is the ratio of the savings of A, B and C ?
There are 43800 students in 4 schools of the city. If half of the first, two - third of the second, three - fourth of the third and fourth - fifth of the fourth are the same number of students, then find the ratio of number of students of A and D if A, B, C and D be the first, second, third and fourth schools respectively.
A hotel incurs two types of expenses, one which is fixed and others depend upon no. of guests. When there are 10 guests, total expenses of hotel are Rs. 6000. Also when there are 25 guests average expenses per guests are Rs. 360? What is the total expenses of hotel when there are 40 guests?
The ratio of age of A and B is 8 : 9 and the age of B is 2 / 3 of C’s age and age of C is 9 / 13 times the age of D . If the age of B is 18 years then the age of C is :
For any two numbers m , n ; ( m + n ) : ( m – n ) : mn = 7 : 1 : 60 find the value of 1 / m : 1 / n
If ( a + b ) : ( b + c ) : ( c + a ) = 5 : 6 : 9 and a + b + c = 10 . what is the value of C :
Hutch and Essar entered into a partnership just 5 months ago. The ratio of profit claimed by Hutch and Essar is 6 : 17 . If Essar had just started his business 12 months ago with Rs. 1275, what is the amount contributed by Hutch ?
My salary is Rs. 12,345 per month. The salary of my brother is 10% greater than that of mine. The salary of my only sister is 9.09% greater than my only brother. The salary of my wife is 56 * ( 12/ 23 )% less than the total salary of my brother and sister together, then the salary of my wife is :
The cost of a car is 400% greater than the cost of a bike. If there is an increase in the cost of the car is 15% and that of bike is 20%. Then the total increase in the cost of the 5 cars and 10 bikes is :
600 students took the test on physics and chemistry. 35% students failed in physics and 45% students failed in chemistry and 40% of those who passed in chemistry also passed in physics, then how many students failed in both :
In an examination 70% of the candidates passed in history and 50% in geography and 20% student failed in both the subjects . If 500 students passed in both the subject , then how many candidates appeared for the exam ?
A , B , C and D purchased a cine – multiplex for Rs.56 lakhs . The contribution of B , C and D together is 460% that of A, alone . The contribution of A , C and D together is 366.66% that of B’s contribution and the contribution of C is 40 % that of A , B and D together. The amount contributed by D is :
In a village three people contested for the post of village Pradhan . Due to their own interest , all the voters voted and no one vote was invalid . the losing candidate got 30 % votes . What could be the minimum absolute margin of votes by which the winning candidate led by the nearest rival , if each candidate got an integral per cent of votes ?
Mr. Scindia after selling 5.5% stock at Rs. 92 realizes rs.32200. Then he invested 1/3 of the amount in 4.5% stock at Rs. 92,2.5 of the amount at Rs. 115 in 5% stock and the remaining in 6% stock at Rs. 56. The change in his income is :
A sales executive gets 20% bonus of the total sales value and 10% commision besides the bonus on the net profit after charging such commision. If the total sales value be Rs. 10 lakh per annum and the total profit of the company be Rs. 1.32 lakh, then his total earning per annum will be, given that he is not entitled to receive any fixed salary from the company :
If the cost price of an article is Rs. 300 and the per cent markup is 20%. What is the marked price ?
If the cost price of 15 apples is same as the selling price of 20 apples. What is the gain or loss per cent ?
A man bought 18 oranges for a rupee and sold them at 12 oranges for a rupee. What is the profit percentage ?
A company instead of raising the make - up by 20 % discounted the cost price by 20 % while stiching the price tag on its product . Further the company offers a discount of 6.25% to its customer . In this process company incurs a loss of Rs. 37.5 on a single article . What is the selling price of that article ?
When an article is sold for Rs . 703 loss incurred is 25 % less than the profit earned on selling it at Rs . 836 . What is the selling price of the article when it earns a profit of 20 % ?
Arun bought toffees at 6 for a rupee . How many for a rupee he should sell to gain 20% ?
A balance of a trader weighs 10% less than it should be. Still the trader marks-up his goods to get the overall profit of 20 %. What is the markeup on the cost price ?
ITC sells one product at a profit of 20% another at a loss of 20% at the same selling price , if SP of each article be Rs . 200, what is the amount of loss ?
The difference between CI and SI for 3 years @ 20% p.a. is Rs. 152. What is the principal lent in each case ?
Rs.12000 amounts to Rs. 20736 in 3 years at r% p.a. of compound interest. What is the value of r ?
The compound interest on Rs. 1000 at 10% p.a. in 3 years is :
The compound interest on Rs. 10000 at P.a. in 4 years :
The compound interest on Rs . 4000 at 25% P.a. in 3 years :
The compound interest on R s . 5000 at 30% per annum for 4 years :
A sum of Rs . 400 would become Rs. 441 after 2 years at r% compound interest , find the value of ‘r’
Rs . 6000 amounts to Rs. 7986 in 3 years at CI . The rate of interest is :
A can do a piece of work in 5 days, B can do it in 10 days. With the help of C, they finish the work in 2 days. In how many days C alone can do the whole work ?
A can do a piece of work in 10 days, B can do it in 15 days working together they can finish the work in :
6 boys and 8 women finish a job in 6 days and 14 boys and 10 women finish the same job in 4 days. In how many days working together 1 boy and 1 woman can finish the work ?
A tub can be filled in 20 minutes but there is a leakage in it which can empty the full tub in 60 minutes. In how many minutes it can be filled ?
A can do a piece of work in 24 days, while B can do it in 30 days, With the help of C they can finish the whole work in 12 days. How much time is required for C to complete the work, alone ?
A can do a piece of work in 10 days, while B can do it in 24 days, If C also work with them then it takes only 6 days to complete the whole work. In how many days C alone can complete the whole work ?
Krishna can do a work in 10 days while Mohan can do the same work in 20 days. They started work together. After 3 days Krishna left the work and Mohan completed it. For how many days Mohan worked alone more than the number of days required when both worked together ?
Chandni and Divakar can do a piece of work in 9 days and 12 days respectively. If they work for a day alternatively, Chandni beginning, in how many days, the work will be completed ?
Udai travels half of his journey by train at the speed of 120 km/h and the rest half by car at 80 km/h. What is the average speed ?
Two trains coming from the opposite sides crosses each other in 10 seconds if the lengths of the first train and second train be 125 m and 175 m respectively , also the speed of first train be 36 km/h, find the speed of second train.
The speeds of Vimal and Kamal are 30 km/hr and 40 km/hr. Initially Kamal is at a place L and vimal at a place M. The distance between L and M is 650 km. Vimal started his journey 3 hours earlier than Kamal to meet each other. If they meet each other at a Place P somewhere between L and M , then the distance between P and M is :
Between 2 O' clock and 3 O' clock when two hands of a clock overlap each other ?
A man covered half of the distance at 3x km/hr and rest at 5x km /hr. What is the average speed of the man ?
A man covers a certain distance by his own car. Had he moved 6 km/h faster he would have taken 4 hours less. If he had moved 4 km/h slower, he would have taken 4 hours more. The distance ( in km ) is :
If Deepesh had walked 20 km/h faster he would have saved 1 hour in the distance of 600 km. What is the usual speed of Deepesh ?
The driver of an ambulance sees a school bus 40m ahead of him. After 20 second, the school bus is 60 meter behind. If the speed of the ambulance is 30 km/h, what is the speed of the school bus ?
The adjacent sides of a parallelogram are 6 cm and 8 cm and the angle between them is 30°. What is the area of the parallelogram ?
If the altitude of an equilateral triangle is 2√3, then it area is :
If the perimeter of a rhombus is 4p and lengths of its diagonals are a and b, then its area is :
The ratio of the lengths of the diagonal of a rhombus is 2 : 5. Then, the ratio of the area of the rhombus to the square of the shorter diagonal :
Area of a rhombus is 256 sq. cm. One of the diagonal is half of the other diagonal. The sum of the diagonals is :
The area of a trapezium is 441 sq. cm and the ratio of parallel sides is 5 : 9. Also the perpendicular distance between them is 21 cm, the longer of parallel sides is :
The radius of a circular wheel is 1 * ( 3 / 4 ) m. How many revolutions will it make in travelling 11 km ?
The radius of a circle is 5 m. What is the radius of another circle whose area is 25 times that of the first ?
Each interior angle of a regular polygon is 140° . The number of side is :
Each angle of a regular hexagon is :
If one of the interior angles of a regular polygon is equal to 5/6 times of one of the interior angles of a regular pentagon, then the number of sides of the polygon is :
The sum of interior angles of a regular polygon is 1260° . The number of sides of the polygon is :
If each interior angle of a regular polygon is 3 times its exterior angle , the number of the sides of the polygon is :
The ratio of the measure of an angle of a regular nonagon to the measure of its exterior angle is :
If the angles of a triangle are in the ratio 1 : 4 : 7, then the value of the largest angle is :
If two supplementary angles are in the ratio 13 : 5 find the greater angle :
The average score of Dhoni after 48 innings is 48 and in the 49th innings Dhoni score 97 runs . In the 50tth innings the minimum number of runs required to increase his averages score by 2 than it was before the 50th innings :
The average price of 3 diamonds of same weights is Rs . 5 crore , where the average price of the two costliest diamonds is double the price of the cheapest diamond. The price of the cheapest diamond is :
Solve the expression is ( 4a + 2b - 3c ) + ( 3a - 2b + 4c )
Find the remainder when the expression 3x^3 + 8x^2 - 6x + 1 is divided by ( x + 3 ).
Find the HCF and LCM of ( 3 + 13x - 30x^2 ) and ( 25x^2 - 30x + 9 ) .
Solve for x and y : 2 / x + 3 / y = 2 , 8 / x - 6 / y = 2
For what value of k, the system of equations kx + 2y = 2 and 3x + y = 1 will be coincident ?
Five years ago, A was three as old as B and ten years later, A shell be twice as old as B. What are the present ages of A and B ( in years ) ?
Astha and Saumya each have certain number of oranges. Astha says to Saumya, " If you give me 10 of your oranges, I will have twice number of oranges left with you. " saumya replies, " If you give me 10 of your oranges, i I will have the same number of oranges asleft with you. " Find the number of oranges with Astha and Saumya respectively.
A person invested some amount at the rate of 12% simple interest and some other amount at the rate of 10% simple interest. He received yearly interest of Rs. 130. But if he had interchanged the amounts invested he would have rceived Rs.4 more as interest. How much amount did he invest at 10 % simple interest ?
Find the no. of male students, if there are 42% male students in the school and the total no. of students in the school is 1000.
In an orchard 16*(2/3)% of the trees are mango trees. If the total number of trees in orchard is 360., find the number of other types of trees in orchard.
Mr. Arvind Vidyarthi spends 30% of his money on education and he has total Rs, 15,000. How many rupees he spends on education ?
Sonia purchased 80 metres of cloth, out of which 35% was used for making trousers. How much cloth was used by her for making trousers ?
The total number of students in the school are 1250. 40% of the students are girls. Find the number of boys.
Ram can do a job in 12 days and Shyam can do the same job in 6 days. In how many days working together they can complete the job ?
X takes 16 days to finish a job alone, while Y takes 8 days to finish the same job. What is the ratio of their efficiency ?
If 20 persons can do a piece of work in 7 days then calculate the number of persons required to complete the work in 28 days.
16 workers working 6 hours a day can build a wall of length 150 metres, breadth 20 metres and height 12 metres in 25 days. In how many days 12 workers, working 8 hours a day can build a wall of length 800 m, breadth 15 m and height 6 m.
Find x, If x + 12 > 17.