The greatest number that exactly divides 105, 1001 and 2436 is (a) 3         (b) 7       (c) 11      (d) 21

The greatest number that exactly divides 81 and 153 is___

Find the greatest number which will exactly divide 200 and 320.

The greatest five digit number exactly divisible by 9 and 13 is (a) 99945 (b) 99918 (c) 99964 (d) 99972

Find the greatest number of 7 digits which is exactly divisible by 12, 15 and 21.

The greatest five digit number exactly divisible by 9 and 13 is 99945 (b) 99918 (c) 99964 (d) 99972

What is greatest number that will divide 307 and 330 leaving remainders 3 and 7 respectively? (A) 19 (B) 16 (C) 17 (D) 23.

The smallest 4 -digit number exactly divisible by 7 is 1001 (b) 1007 (c) 1101 (d) 1108

What least number must be added to 1056 to get a number exactly divisible by 23? 2 (b) 3 (c) 21 (d) 25