Question

a=2^3.3,b=2.3.5,c=3^n5, lcm(abc)=2^3.3^2.5,then find n

Answer 1

n = 2

Because LCM of a, b, c = 2^3.3^n.5

and this is equal to → 2^3.3^2.5

So by comparing these two, we get n=2.

[To Solve These types of questions, just do everything you know from zero_(means from the starting).]

Thank you!!!