Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not-rounded numerals equals 24.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

In a picnic session, a footballer was practicing. During his play, he busted lips and ears and broke ribs and thighs. However, he was still able to play a professional match on the very next day.



How can this be possible?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Decode this picture on T-Shirt and tell what it says ?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you divide the below-given shape into four equal and identical pieces?

Replace the question mark in the picture below.

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?