John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

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

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

I can write cow in 13 letters.

Can You?

How is a fly different from a mosquito?

What's the only room from which no one can enter or leave

A California farmer owns a beautiful pear tree. He supplies the fruit to a nearby grocery store. The store owner calls the farmer to see how much fruit is available for him to buy. The farmer knows the main trunk has 24 branches. Each branch has exactly 12 boughs and each bough has exactly 6 twigs. Since each twig bears one piece of fruit, how many plums will the farmer be able to deliver?

How many words can a pen with half refill write?

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.