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?

What can you catch but never throw?

Identify the hidden meaning behind this picture?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

I have Rs.50 and I spend it in the way as below.

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

If it took eight men ten hours to build a wall, how long would it take four men to build it?