What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

Why did the Girl throw the butter out of the window?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What number divided by 4 is the same as that number minus 4?

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

How far can you walk into the woods?