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

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)

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

2)

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

3)

The H.C.F. and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125, then that number is :

4)

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 ?

5)

H.C.F. of 4 x 27 x 3125, 8 x y x 25 x 7 & 16 x 81 x 5 x 11 x 49 is :

6)

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

7)

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

8)

252 can be expressed as a product of primes as ;

9)

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?

10)

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

11)

The H.C.F. of 3666 and 3444 is :

12)

Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case Then sum of the digits in N is :

13)

A number a is said to be perfect if the sum of all its divisors (excluding n itself) is equal to n. An example of perfect number is :

14)

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 :

15)

The maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is :

2015 by Examfriend.in. All Rights Reserved.