Hard Aptitude Number

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




Similar Riddles

What does the below image rebus riddle means ?

Rebus Riddle

Asked by Neha on 04 Sep 2021


These types of puzzles are known as charades. What you have to do is to find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be the 'office'.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

Asked by Neha on 07 Dec 2024

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Asked by Neha on 05 Oct 2023


Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Asked by Neha on 11 Jul 2021

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Asked by Neha on 17 May 2021

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Find the Mistakes

Asked by Neha on 12 Aug 2021


There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Asked by Neha on 12 Feb 2022

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

Asked by Neha on 19 Jun 2024

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Who All Dies

Asked by Neha on 21 Mar 2021


In a certain country ½ of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10?

Asked by Neha on 17 Aug 2026

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Crossword puzzles

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