Hard Aptitude Number

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




Similar Riddles

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Asked by Neha on 27 Aug 2021


When we see 2 but call 10?

Asked by Neha on 14 Oct 2023

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

Asked by Neha on 27 Jun 2024


Can you find the key in the picture below?

Find the Key

Asked by Neha on 07 Apr 2024

Why did Navjot Singh Sidhu put the new January calendar in the freezer

Asked by Neha on 01 Dec 2024

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

Asked by Neha on 17 May 2021


It is always ahead of me yet I can never see it. What is it?

Asked by Neha on 01 Apr 2023

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

Asked by Neha on 19 Aug 2021

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

Asked by Neha on 07 Dec 2023


A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

Asked by Neha on 25 Nov 2024

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