Recent questions tagged pecentages

The average of a natural number and its square is 5 times the number. The number is:

asked Dec 8, 2014 by pady_1

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The average of 3, 7, 8 and x is 5 and the average of 2, 19, 7, x and y is 10. what is the value of y?

asked Dec 8, 2014 by pady_1

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The average of 39 numbers is 0. Of them, at the most, how many may be greater than 0?

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Shankar got 66, 83, 77, 68, 86 marks (out of 100) in English, Maths, physics, Biology and Chemistry. What are his average marks?

asked Dec 8, 2014 by pady_1

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Six girls went to a restaurant for taking their meals. Five of them spent Rs. 10 each on their meals and the sixth spent Rs. 10 more than the average expenditure of all the six. What was the total money spent by them?

asked Dec 8, 2014 by pady_1

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A student got average marks in English, Sanskrit, Hindi, Maths and science are 72 and in Maths, Science, Social, Hindi and sanskrit are 80. marks in social exceed the marks in English by?

asked Dec 8, 2014 by pady_1

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The average of three numbers is 45 and that of the last two is 50. Find the first number?

asked Dec 8, 2014 by pady_1

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The average age of 25 students in a class is 12 years. 15 students whose average age is 10 years joined them. What is the present average age.

asked Dec 8, 2014 by pady_1

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The average weight of 22 boys is 57 Kg. Each boy puts on a dress whose weight is 1 Kg. What is the average weight of the boys now.

asked Dec 8, 2014 by pady_1

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Find the average of first 35 natural numbers.

asked Dec 8, 2014 by pady_1

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Three numbers which are co-prime to each other are such that the product of the first two is 1102 and that of the last two is 2146. The sum of the three numbers is:

asked Dec 8, 2014 by pady_1

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If the sum of two numbers is 72 and the H.C.F. and L.C.M. of these numbers are 6 and 60 respectively, then the sum of the reciprocals of the numbers is equal to:

asked Dec 8, 2014 by pady_1

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The H.C.F. of 6/7 , 14/25 , 18/35 and 21/40 is:

asked Dec 8, 2014 by pady_1

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The following number which is having the most number of divisors is?

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The greatest number which on dividing 657 and 737 leaves remainders 3 and 5 respectively, is:

asked Dec 8, 2014 by pady_1

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What will be the least number which is three times will be exactly divisible by 6, 12, 18, 21 and 30 ?

asked Dec 8, 2014 by pady_1

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The least multiple of 5, which leaves a remainder of 5, when divided by 8, 12, 20 is:

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4 bells commence tolling together and toll at intervals of 6,12,18 and 24 seconds respectively. In 6 minutes, how many times do they toll together?

asked Dec 8, 2014 by pady_1

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The largest 4 digit number which when divided by 2, 5 or 17 leaves a remainder of 3 in each case, is

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The H.C.F. of 1.35, 3.15 and 6.75 is:

asked Dec 8, 2014 by pady_1

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The L.C.M. of two numbers is 196. The numbers are in the ratio 4:7. The sum of the numbers is:

asked Dec 8, 2014 by pady_1

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L.C.M. of two prime numbers p and q (p > q) is 155. The value of p – q is:

asked Dec 8, 2014 by pady_1

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The H.C.F of 156, 910 and 1105 is:

asked Dec 8, 2014 by pady_1

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The L.C.M. of two numbers is 27 times their H.C.F. If one of the numbers is 121 and the sum of H.C.F. and L.C.M. is 924, the other number is:

asked Dec 8, 2014 by pady_1

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Three numbers are in the ratio 2:3:4 and their LCM is 600. Their HCF is

asked Dec 8, 2014 by pady_1

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The HCF of two numbers is 13. Which one of the following can never be their LCM?

asked Dec 8, 2014 by pady_1

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X, Y and Z start at the same time in the same direction to run around a circular stadium. X completes a round in 300 seconds, Y in 600 seconds and Z in 900 seconds, all starting at the same point. After what time will they again at the starting point ?

asked Dec 8, 2014 by pady_1

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The G.C.D. of 1.54, 0.56 and 0.98 is:

asked Dec 8, 2014 by pady_1

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The product of two numbers is 2523. If the H.C.F. of these numbers is 29, then the greater number is:

asked Dec 8, 2014 by pady_1

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The greatest number of four digits which is divisible by 5, 15, 30 and 65 is:

asked Dec 8, 2014 by pady_1

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The product of the L.C.M. and H.C.F. of two numbers is 24. The difference of two numbers is 2. Find the numbers.

asked Dec 8, 2014 by pady_1

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The least number which should be added to 497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:

asked Dec 8, 2014 by pady_1

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Five bells commence tolling together and toll at the intervals of 3,6,9,12,15 seconds resp. In 2 hours how many times they will toll together.

asked Dec 8, 2014 by pady_1

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Find the greatest number which on dividing 1671 and 2055, leaves a reminder of 20 and 23 respectively

asked Dec 8, 2014 by pady_1

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Let N be the greatest number, that will divide 33, 81 and 173 so as to leave the same remainder in each case.

asked Dec 8, 2014 by pady_1

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Three different containers contain 341 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly?

asked Dec 8, 2014 by pady_1

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924 can be expressed as a product of prime as

asked Dec 8, 2014 by pady_1

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The maximum numbers of boys among them 1001 balls and 910 bats can be distributed in such a way that each boy gets the same number of balls and same number of bats is

asked Dec 8, 2014 by pady_1

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The H.C.F of two numbers is 13 and their L.C.M is 6500. If one of the numbers is 325, then the other is

asked Dec 8, 2014 by pady_1

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The smallest number which when subtracted by 7, is divisible by 6, 16, 18, 21 and 28 is

asked Dec 8, 2014 by pady_1

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The greatest number which on dividing 571 and 231 leaves remainders 6 and 5 respectively, is:

asked Dec 8, 2014 by pady_1

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The least number, which when divided by 7, 13, 22 and 44 leaves in each case a remainder of 6 is:

asked Dec 8, 2014 by pady_1

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Find the highest common factor of 26 and 80.

asked Dec 8, 2014 by pady_1

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The greatest possible length which can be used to measure exactly the lengths 4 m, 5 m 75 cm, 13 m 25 cm is:

asked Dec 8, 2014 by pady_1

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X, Y and Z start at the same time in the same direction to run around a circular ground. X completes a round in 176 seconds, Y in 256 seconds and Z in 312 seconds. All starting at the same point. After what time will they meet again at the starting point?

asked Dec 8, 2014 by pady_1

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The least number which when divided by 3, 4 and 7 leaves a remainder 2, but when divided by 5 leaves no remainder, is:

asked Dec 8, 2014 by pady_1

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The least multiple of 10, which leaves a remainder of 2, when divided by 3, 9, 16 and 18 is:

asked Dec 8, 2014 by pady_1

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The least number which when increased by 9 is divisible by each one of 12, 18, 32 and 60 is:

asked Dec 8, 2014 by pady_1

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The least number of 3 digits which is exactly divisible by 3, 12, 18 is:

asked Dec 8, 2014 by pady_1

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What will be the least number which when doubled will be exactly divisible by 6, 9, 15?

asked Dec 8, 2014 by pady_1

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