Select the option figure in which the given figure is embedded (rotation is NOT allowed).

'A + B' means 'A is the brother of B'.

'A - B' means 'A is the mother of B'.

'A × B means 'A is the husband of B'.

'A ÷  B means 'A is the sister of B'.

If P ÷ Q - R + S - K × L, then which of the following statements is correct?.

Select the number from among the given options that can replace the question mark (?) in the following series.

2, 6, 9, 27, 30, 90, ?

The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number-pairs except one. Find that odd number-pair.