How many times can you subtract the number two from the number fifty?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

O_er_t_o_

Complete the missing letters of the given word.

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

John was piloting a plane behind a car but was never able to overtake it. Why?

It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But do you know how many of these numbers are prime?