Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

With the help clues provided in the image, can you find the 5 digit key?

Prove that twice of ten is the same as twice of eleven.

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

What seven-letter word has hundreds of letters in it?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?