Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A bomb exploded in a room full of married couples and no one died. How?

What 5-letter word typed in all capital letters can be read the same upside down?

Mr Red Lives in the red house.
Mr Green Lives in the greenhouse.
Mr Yellow Lives in the yellow house.

Who lives in the Whitehouse?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?