In a certain code language -
'T×U' means 'T is the mother of U'
'T+U' means 'T is the sister of U'
'T÷U' means 'T is the daughter of U'
'T-U' means 'T is the wife of U'
How is D related to A in the expression 'A × B + C ÷ D'?

Correct option is D

Given: 

'A × B + C ÷ D'→ A is the mother of B, B is the sister of C and C is the daughter of D.
The correct diagram will be –

From the above family diagram D is the husband of A.
Correct answer is (d) Husband.