I look at you, you look at me, I raise my right, you raise your left. What am I?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

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

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

Find the next number in the series

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

In the image given, you can find several triangles. Can you count them all?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

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.

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15