A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

How many times can you subtract the number 5 from 25?

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

Bay of Bengal is in which state?

I have eight fingers and two thumbs but I do not live. What Am I?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?