Next Number in Series

Find the next number in the series below

21 32 54 87 131 ?




Similar Riddles

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Asked by Neha on 22 Jan 2024


I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

I Speak only the Truth

Asked by Neha on 15 May 2023

The answer I give is yes, but what I mean is no. What was the question?

Asked by Neha on 04 Sep 2025


Can you name an animal whose killing cannot be performed without spilling your own blood?

Asked by Neha on 28 Feb 2023

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

Relationship in Numbers and Letters

Asked by Neha on 11 Jun 2023

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Asked by Neha on 13 Dec 2024


Who has married many women but was never married?

Asked by Neha on 09 Aug 2025

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Asked by Neha on 17 Oct 2021

Two-person want to cross a river. Only one boat is present on the riverside that can carry only one person at a time.

However, they still manage to cross the river. How is it possible?

Asked by Neha on 18 Nov 2023


If you say my name, I will no longer exist. What am I?

Asked by Neha on 18 Dec 2023

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Gamers

In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.