Find odd one out: Sunday, Monday, Friday, Holiday

In a row of 40 students Ravi is 15th from left. Position from right?

Which replaces question mark: 7, 14, 28, 56, ?

BASKET is written as 512348. How is RACKET written?

Which organelle is known as the kitchen of the cell?

In a family of 8 members, A and B are married couple. A is male. C is the son of D, who is the brother of E. E is the daughter of F, who is the mother of G. G is the sister of A. How is C related to B?