Verbal Reasoning - Mental Ability Questions

What number will come in place of ? in the following question?

How many triangles are there in this geometric figure?

 In a row of boys, Rahul’s position from the right end is 39th and Pankaj’s position from the left end is 53rd. After interchanging their position, Rahul’s position becomes 64th from the right end. How many boys are there in the row?

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

CLG, GPK, KTO, OXS, ?

How many such numbers are present in the below arrangement which are immediately preceded by a consonant and immediately followed by a letter?

Q@A3RI4*6T4W4O2^E$6S

If "A" denotes "multiplied by", "C" denotes "subtracted from", "D" denotes "added to" and "B" denotes "divided by", then 76 C 54 D 210 B 3 A 15 = ?

17.Rana walks 20 m straight in north direction and 20 m to the right. Then every turning to his left he walks 5, 25 and 25 metres respectively. How far is he from his starting point now?

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,?