If it took eight men ten hours to build a wall, how long would it take four men to build it?

Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
* something for him to eat
* something for him to drink.
* something to feed the cows
* something to plant in the garden
and most important you need to buy only one thing.

What must Birbal buy to silence Akbar?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Can you find a five letter word that is left with only two letters if one is removed?

Replace the question mark with the correct number in below Picture:

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?

What does this Rebus Picture means ?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?