Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives.
34 : 81 : : 23 : ?

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

XXXXXO, XXXXOX, XXXOXX, XXOXXX, XOXXXX, ?

In a row, there are 6 boys between A and B and A being the first boy in row. There are 3 boys between B and C. If there are 12 boys after C, then how many minimum boys are there in the row?

A migrating bird flies 40 km North, then turns East and flies 50 km, then turns North and flies 110 km, and turns to its left and flies 50 km. Where is it now with reference to its starting position?

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

How many squares are there in the square figure ABCD?

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

-1, 1, 4, 9, 16, ?

Correct the following equation by interchanging the two signs and two numbers.7 x 6 + 5 – 4 = 33