1)

If (3)5×92=3n×33, then the value of n is:


A) 2

B) 3

C) 4

D) 5

Answer:

Option D

Explanation:

(3)5×92=3n×33 (312)5×(32)2 =3n×3×312 3(12×5)×3(2×2) =3(n+1+12) 3(52+4) =3(n+32) n+32=132 n=(13232) =102=5