Hard Aptitude Number

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?




Similar Riddles

Replace the question mark with the correct number in below Picture:

Replace the Number

Asked by Neha on 30 May 2021


In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

Chess Board Puzzle

Asked by Neha on 10 Oct 2025

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat

Asked by Neha on 25 Sep 2025


What can you hold in your right hand, but never in your left hand?

Asked by Neha on 13 Jul 2025

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Asked by Neha on 14 Jul 2024

How can one talk without saying a single word?

Asked by Neha on 25 Nov 2023


I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

Asked by Neha on 19 Jan 2024

I travel all around the world but always stay in the corner. What am I?

Asked by Neha on 09 Mar 2022

How many bananas can you eat if your stomach is empty?

Asked by Neha on 13 Mar 2022


You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

Asked by Neha on 30 Nov 2024

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.