Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

What four weights can be used to balance from 1 to 30 pounds?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

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?

Count the number of squares in the picture below.

There is a place where if I stand up straight, I will still be considered sideways.

A man is found unconscious in front of a store at two in the morning. His head is bleeding and there’s a brick laying next to him. When the police arrive, they carry the man to jail. Why did they arrest him?

If an electric train is travelling south, then which way is the smoke going?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

The dirtier I get, the whiter I look. Who am I?