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

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

Check out the number list below and find what number comes next in the sequence.

111 , 113 , 117 , 119 , 123 , 137 , ?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

How many triangles are there on the puzzle below?

John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottles-box to deliver. After delivery, Jacob paid John Rs.2400. How many bottles-box did John break?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What number divided by 4 is the same as that number minus 4?