Which alphabet is a part of our body?

I am quite hot but become too cold if you remove the first two letters. What am I?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Can you name some countries which do not have the alphabet 'A' in them?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Can you solve below mathematical equation?

2^1234 - 2^1233

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.