Write all the numbers less than 100 which are common multiples of 3 and 4.

Multiples of 3 less than 100 are;

= 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 81, 84, 87, 90, 93, 96, 99.

Multiples of 4 less than 100 are;

= 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96.

Common multiples are;

= 12, 24, 36, 48, 60, 72, 84 and 96