(17)3.5 x (17)? = 178

Question: (17)3.5 x (17)? = 178
[A].

2.29

[B].

2.75

[C].

4.25

[D].

4.5

Answer: Option D

Explanation:

Let (17)3.5 x (17)x = 178.

Then, (17)3.5 + x = 178.

3.5 + x = 8

x = (8 – 3.5)

x = 4.5