A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Prove that the below maths equation is true.

8 + 8 = 91

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Can you find out who is the kidnapper in below Picture and why, Explain ?

How many triangles can you find in this given picture?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

The answer I give is yes, but what I mean is no. What was the question?