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 ?

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1)

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 ?

2)

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 :

3)

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 :

4)

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

5)

Which of the following has most number of divisors ?

6)

Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two a 1073. The sum of the three numbers is :

7)

The L.C.M. of two numbers is 45 times their H C.K. If one of the numbers is 125 and the sum of H.C.F. and L.C.M. is 1150, the other number is :

8)

The least rubber which is a perfect square and is divisible bv each of the numbers Jo, 20 and 24, is :

9)

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 :

10)

252 can be expressed as a product of primes as ;

11)

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 :

12)

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

13)

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

14)

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

15)

The H.C.F. of 204, 1190 and 1445 is :

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