When monkey rotate the gear, which mark will be hit 1 or 2 ?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

What do you answer even though it never asks you questions?

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

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

The more of this there is, the less you see. What is it?

Can you quickly find which two matchstick figures are identical?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

What country can make you shiver?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly