There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What has many teeth, but cannot bite?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

How can one talk without saying a single word?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

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.

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?