Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

d_ba_c_a_cb_

Select the option that is related to the third word on the same basis as the second word is related to the first word.

Real : Genuine :: Fake : ?

A man walks 3 km West, then turns South and walks 7 km, then turns East and walks 3 km, then turns to his right and walks 5 km. Where is he now with reference to her starting position?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

CD,HI,NO,UV,?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

3, 9, 4, 16, 5, ?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

1, 0.125, 1/27, 1/64, ? , 1/216

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis:

2 x 3 x 5 = 523
6 x 4 x 1 = 164
8 x 2 x 4 = 482,

then 6 x 8 x 2 = ?

If 14 (16) 18 and 33 (64) 25, then what is the value of ‘A’ in 25 (49) A?