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 :

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1)

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 :

2)

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 :

3)

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 ?

4)

The least number which is a perfect square and is divisible by each of the numbers 10, 20 and 24, is

5)

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

6)

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 :

7)

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 :

8)

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

9)

Which of the following has most number of divisors ?

10)

252 can be expressed as a product of primes as ;

11)

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 :

12)

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 numhers

13)

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

14)

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 :

15)

The least number of five digits which is exactly divisible by 12, 15 and 18, is :

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