You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

Name a key which is hardest to turn.

what does the below math rebus puzzle mean?

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

How do you go from 98 to 720 using just one letter?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

What does below Rebus mean ?

esgg sgeg gegs gsge

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I add 5 to 9 and get 2. The answer is correct, so what am I?