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

Different lights make me strange by changing me into different sizes. What am I?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

You can see three almost identical images below. Can you spot the odd one out from them?

Why is 6 afraid of 7?

In the picture given below, can you find out which digit will take place of the question mark?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

What does below chemistry rebus means?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

A man died and leaves Rs.10,000 in his will. There are 6 beneficiaries- his 3 sons and their wives. The 3 wives receive Rs.3960 of which Priyanka gets Rs.100 more than Tanu and Neha gets Rs.100 more than Priyanka.
Pramod gets twice as much as his wife, Tushar gets the same as his wife, and Prashant gets 50% more than his wife.

Who is married to whom?