Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

What is red and smells like blue paint?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

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

Find the missing letter in the last circle logically in the given below picture.

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