There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Replace the question mark with the correct number in below Picture:

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Find out the missing number in the picture attached:

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?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?