Question

if lcm of a and b is a and lcm of b and c is b then what is the lcm of c and a​

Answer 1

Correct option is C)

LCM of A and B is B it means that B is multiple of A. LCM of B and C is C it means C is multiple of B or we can say that C is multiple of A also.

So LCM of A,B ,C is C so correct answer is option C