Can you make four (4) nines (9) equal 100?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

What does this rebus mean?

O
N
C
E
TIME

Can you find out the missing number in the grid?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?