A motor insurance cover note is valid for how many days?

If X – Y means that X is the mother of Y,

X × Y means that X is the father of Y,

X ÷ Y means that X is the sister of Y,

If A is sister of B, C is brother of A, D is brother of E. E is mother of B and F is father of C, how is F related to D?

Pointing to a woman, Naman said, "She is the daughter of the only child of my grandmother". How is the woman related to Naman?

How is J related to Q?

If Z is wife of Q, then how is Q related to O?

How is X related to Z?

How is P related to Q?

How is M related to L?

How is P related to O?