What country can make you shiver?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What 5-letter word typed in all capital letters can be read the same upside down?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What is harder to catch the faster you run?

What is the fastest way to double your money?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?