Verbal Reasoning - Mental Ability Questions

In the following question, select the related letter pair from the given alternatives.PIR : OHQ : : ? : ?

If 4Δ2 = 60, 7Δ9 = 160 and 8Δ3 = 110, then find the value of 3Δ2 = ?

Find the odd word/letters/number from the given alternatives.

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

Dadabhai Naoroji, Bal Gangadhar Tilak, Lala Lajpat Rai, ?

Sunita travels 6 Km towards north east. Then travels 9 Km towards west. From there, she goes 6 Km south-west and finally goes 3 Km towards east. How far is she from her initial position?

A is in the east of B, who is in the east of Q. If Q is in the south of P, then in which direction of A, is P?

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

Select the missing number from the given responses.