Hard Aptitude Number

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




Similar Riddles

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

Correct the Equation

Asked by Neha on 14 May 2021


Can you find the 09 errors in the picture below?

Find the Errors

Asked by Neha on 29 Mar 2025

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Asked by Neha on 13 Jul 2024


In which direction should the missing arrow point?

Arrow Direction

Asked by Neha on 30 Dec 2024

Which alphabet is a part of our body?

Asked by Neha on 03 Nov 2023

Can you count the number of lines in the below picture?

Count The Number Of Lines

Asked by Neha on 27 Dec 2023


He digs out tiny caves and stores gold and silver in them. He also built bridges of silver and made crowns of gold. They are the smallest you could imagine. Sooner or later everybody needs his help, yet many people are afraid to let him help them. Who is he?

Asked by Neha on 23 Dec 2025

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

Asked by Neha on 28 May 2025

The pound is not a finish.

We are sharing a few instructions below, which you have to use in any suitable order to modify the above sentence such that the end sentence is a scientific fact.

- Eliminate a letter and supplement another in its place.
- Take away one word.
- Remove one letter from one word.
- Get rid of two letters from one word.
- Swap a word with its antonym.

Asked by Neha on 03 May 2025


Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Asked by Neha on 22 Mar 2025

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Amazing Facts

Word ladder puzzle

The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.