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?

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

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

What word is represented by this rebus?

What is the riddle which can be asked all day with a different correct answer each time.

Who is that with a neck and no head, two arms and no hands? What is it?

You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?