John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What can you serve, but never eat?

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

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

You need to remove two matchsticks to make the below equation true. Can you do it ?

What is the below Rebus indicate?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Decode below rebus
D
N
A
T
S , D

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

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