We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

How many times can you subtract the number two from the number fifty?

What is the difference between a jeweller and a jailer?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

What will you call your mother's brother's brother-in-law?