You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Count the number of triangles in the given picture.

What can you hold in your right hand, but never in your left hand?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?

Which alphabet letter is a question?

I am the fastest animal but cannot climb the tree. What am I?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

10+10 and 11+11 can give you the same answer.

Explain how?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?