What will come in the place of question mark (?) in the expression ‘A + B @ C % D ? E’ if it indicates that ‘ C is grandfather of E’?

ENRAVISH - The classical dancer gave such a performance that enravished the audience. 

Find the appropriate word.

Select the most appropriate antonym of the given word.

APPARENT

Subtle

(i) The evidence is not detailed enough to subtle his argument.

(ii) The flavour of the dried berries is more subtle .

Select the most appropriate synonym of the given word.

ENTANGLE

Select the most appropriate option to fill in the blank. 

We ________Rohit for the last two months.

Ubiquitous

Select the most appropriate SYNONYM of the given word.

Threat