Which alphabet letter is a question?

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

Find out the number of circles in the given picture having Illusion

What building has the most stories?

How can you make number one disappear by adding something to it?

A prisoner is told: "If you tell a lie, we will hang you and if you tell the truth, we will shoot you." What did the prisoner say to save himself?

Can you find out the remainder when 3^300 is divided by 5?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

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.

What does this rebus means ?