A and B are brothers, E is daughter of F, F is wife of F, how is E related to A?

A and B are sisters. R and S are brothers. A's daughter is R's sister. How is B related to S?

Pointing to Manju, Gaurav said, “She is the wife of the only son of my father’s father.” How is Manju related to Gaurav?

Pointing to the photo of a man, a woman said, “His brother’s father is the only son of my grandfather.” How is the woman related to the man in the photo?

Riju introduces Rivu as the son of the only brother of his father’s wife. How is Rivu related to Ridge?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

5, 6, 9, 15, ____?, 40

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

1, 1, 2, 6, 24, ____?, 720

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

15       50          155        470        1415       ____ ?