The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one or the numbers is 275, then the other is :

Online practise test contains 15 random questions. Read the questions carefully and check the relevant options. After submitting, your test will be processed and results will be displayed.

1)

The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one or the numbers is 275, then the other is :

2)

Which of the following is a pair of co-primes ?

3)

The smallest number which when diminished by 7, is divisible by 12, 16, 18 and 21 ?.

4)

Three numbers are in the ratio 1:2:3 and their H.C.F. is 12. The numbers are :

5)

252 can be expressed as a product of primes as :

6)

Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly ?

7)

The H.C.F. of 1.75, 5.6 and 7 is :

8)

Four different electronic devices make a beep after every 30 minutes, 1 hour, 1.5 hour and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at:

9)

Which of the following has most number of divisors ?

10)

Product, of two co-prime numbers is 117. Their L.C.M. should be :

11)

The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is :

12)

The LCM of two numbers is 45 times their HCF. If one of the numbers is 125 and the sum of HCF and LCM is 1150, the other number is :

13)

The H.C.F. of 2/3, 8/9, 64/81 and 10/27 is :

14)

Find the least number which when divided by 16, 18, 20 and 25 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder.

15)

The sum of two numbers is 528 and their H .C.F. is 33. The number of pairs of numbers satisfying the above conditions is :

2017 by Examfriend.in. All Rights Reserved.