Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

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 breaks yet never falls, and what falls yet never breaks?

You need to remove two matchsticks to make the below equation true. Can you do it ?

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

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?