Verbal Reasoning - Mental Ability Questions

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

15 + 2 ÷ 20 x 10 - 6 = 13

Select the related word/letters/numbers from the alternatives:

01 : 36 : : 02 : ?

Select the missing term based on the given related pair of terms.

COULD : BNTKC :: MOULD : ___

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

9 : 738 : : 10 : ?

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

CDE : XWV : : ? : QPO

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

XY : AB : : LM : ?

Arrange the following words as per order in the dictionary

1. Maternity
2. Matriarchy
3. Matchbox
4. Matricide

Select the related letters from the given alternatives.

GIK : PRT :: DFH : ?