Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

What number should come in place of the question mark below?

In the following series, a set of numbers is progressing with a particular pattern. Can you deduce that pattern and find the missing set?

(2 + 6), (21 + 6), (58 + 6), (119 + 6), ___

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

Which Travels Faster? Solve below famous picture riddle:

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?