Question

LCM of the numbers 40, 48 and 90 is _______ .

• A. 720

Answer 1

The correct option is A 720
Finding the LCM by prime factorisation method, we get


$\therefore$ L.C.M of the given numbers will be
2$\times$2$\times$2$\times$2$\times$3$\times$3$\times$5 = 720