Hard Aptitude Number

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




Similar Riddles

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

Asked by Neha on 17 Aug 2023


You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Asked by Neha on 27 Jun 2023

what does the below math rebus puzzle mean?

Find the Rebus Meaning

Asked by Neha on 13 Nov 2023


You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

Asked by Neha on 12 Dec 2025

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Asked by Neha on 03 Mar 2026

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

Asked by Neha on 11 Feb 2026


It is Secret Agent Bond Girl Friend's birthday but he is on a secret mission

Mr Bond has a secret device by which he can only use the below words for sending the message.

Dumbo, Nazi, Carrot, Ronda, Zambia, Racing, TinTin, Seou, Zareeba, Laltain, Saphire, Tar, Orphan, Audition, Biscotti.

Mr Bond sends the following message to her girlfriend:
Carrot Dumbo Nazi Racing Ronda Zambia TinTin Seou Laltain Zareeba Tar Biscotti Orphan Audition Snake

What does Mr. Bond's Message say?

Asked by Neha on 12 Apr 2026

Can you find the key in the picture below?

Find the Key

Asked by Neha on 07 Apr 2024

Can you identify the Oscar-winning movie from the rebus below?

Oscar-Winning Movie

Asked by Neha on 06 Nov 2024


Which digit occurred maximum times between the number 1 and 1000?

Asked by Neha on 13 Oct 2025

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.