Hard Aptitude Number

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




Similar Riddles

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

Asked by Neha on 05 Jul 2024


I drive at an average speed of 30 miles per hour to the railroad station each morning and catch my train. On a particular morning, there was a lot of traffic and at the halfway point, I had averaged only 15 miles per hour. How fast must I drive for the rest of the way to catch my train?

Asked by Neha on 21 Jun 2026

What do you get if you add 2 to 100 four times?

Tricky Maths

Asked by Neha on 24 Jun 2024


A sundial has the fewest moving parts of any timepiece. Which has the most?

Asked by Neha on 07 Jul 2025

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Mathematical Signs Magic

Asked by Neha on 08 Mar 2021

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Asked by Neha on 31 Dec 2024


Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Asked by Neha on 29 Jan 2024

Guess the hidden movie name?

Guess Movie Rebus

Asked by Neha on 12 Mar 2026

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Asked by Neha on 08 May 2023


Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Asked by Neha on 05 Feb 2026

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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.