When can we add 2 to 11 and get 1 as the correct answer?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

who is silent in the parliament?

What time is it when an elephant sits on a fence?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

The more of this there is, the less you see. What is it?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

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.

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?