A man pointing to a photograph says, "The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the man's sister who has no other sister?

Barrow' is man-driven cart whereas others are usual.

Except option (d), all letters in pairs having difference of four.

The relationship is x : (x² - 9).

63/3 = 21
27/3 = 9

F

Except option (c) rest all are perfect squares.

Except, `Plate', all two in number.

All other terms are used to denote the size.

15/20 x 5/4 x 2/3 x 8/5 = 1

All Except `Raft' are down by animal.