Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

How can you take 2 from 5 and leave 4?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

Which is faster, Heat or Cold ? Explain.

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

What is the next number in the series?

15 29 56 108 208 ?

Which tank will fill first?

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?