Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.

31 : 3 : : 23 : ?

In a queue, Amrita is 10th from the front while Mukul is 25th from behind and Mamta is just in the middle of the two. If there be 50 persons in the queue. What position does Mamta occupy from the front ?

In the following question, select the related letter/letters from the given alternatives.

IMO : PTV : : KOQ : ?

If "A" means "subtraction", "B" means "division", "C" means "addition" and "D" means "multiplication", then

305 B 5 A 28 C 43 D 12 = ?

Select the related word/letters/number from the given alternatives.

MYANMAR : NZBNLZQ : : BRITAIN : ?

If in the word 'DISTURBANCE', the first letter is interchanged with the last letter, the second letter is interchanged with the tenth letter and so on, which letter would come after the letter T in the newly formed word ?

Two cars start from the opposite places of a main road, 150 km apart. First car runs for 25 km and takes a right turn and then runs 15 km. It then turns left and then runs for another 25 km and then takes the direction back to reach the main road. In the mean time, due to minor break down the other car has run only 35 km along the main road. What would be the distance between two cars at this point?

Select the related word/letters/number from the given alternatives.

12 : 132 :: 14 : ?