Hard Aptitude Number

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




Similar Logic Riddles

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Asked by Neha on 04 Mar 2025


A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Asked by Neha on 04 Oct 2023

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

Asked by Neha on 11 Aug 2025


What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

Asked by Neha on 23 Jun 2025

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.What is the minimum number of tickets they need to buy ?

Asked by Neha on 04 Jan 2024

If eleven plus two equals one, what does nine plus five equal?

Asked by Neha on 28 Mar 2022


John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

Asked by Neha on 23 Nov 2024

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Asked by Neha on 07 Nov 2024

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

Asked by Neha on 08 Jun 2024


Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

Asked by Neha on 22 Jun 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.