What is next number in the pattern below:

131 517 192 123 ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What kind of band never plays music?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

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

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

The centre of the third figure is empty. What digit should fit inside?