1)

The ratio of $4^{3.5}:2^{5}$ is same as : 


A) 7

B) 4

C) 5

D) 4.5

E) 7

Answer:

Option B

Explanation:

$ \frac{4^{3.5}}{2^{5}}$ $= \frac{(2^{2})^{3.5}}{2^{5}} $

$ = \frac{2^{2\times 3.5}}{2^{5}} $

$ = \frac{2^{7}}{2^{5}}$  $=2^{2} =4 $