You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

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

Which word does the below Plexor means ?

Why is 6 afraid of 7?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

A sundial has the fewest moving parts of any timepiece. Which has the most?

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.

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?