Find the next number in the series below

21 32 54 87 131 ?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Prove that twice of ten is the same as twice of eleven.

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

You have two buckets - one holds exactly 5 gallons and the other 3 gallons. How can you measure 4 gallons of water into the 5 gallon bucket?

(Assume you have an unlimited supply of water and that there are no measurement markings of any kind on the buckets.)

Which letter of the alphabet has the most water?

Do You See It?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

2, 3, 5, 9, 17, _ What is the next number in the sequence?