Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

What part of the chicken has the most feathers?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Decode below rebus
D
N
A
T
S , D

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

In the given picture, in how many ways can you read the word "Tiger"?

What begins with T, ends with T, and has T in it?

I cannot talk, but I always reply when spoken to. What am I?