Verbal Reasoning - Mental Ability Questions

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

ACD : ZXW : : PMN : ?

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

DFI : IKN : : NPS : ?

In the following question, select the missing number from the given series.

12, 17, 34, ?, 78, 83, 166

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

Umbrella : Rain : : Sweater : ?

Which of the following terms follows the trend of the given list?

ABABCDAB, ABADCBAB, ABCDABAB, ADCBABAB, CDABABAB, _______________.

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

305 B 5 A 28 C 43 D 12 = ?

If A x B means A is to the south of B; A + B means A is to the north of B; A % B means A is to the east of B; A - B means A is to the west of B; then in P % Q + R - S, S is in which direction with respect to Q?

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

411 B 3 A 29 C 53 D 20 = ?