Logical Series

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.




Similar Riddles

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Asked by Neha on 03 Nov 2025


Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

Asked by Neha on 09 Jun 2025

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Matchstick Game

Asked by Neha on 01 Apr 2025


There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

Dots on Lines

Asked by Neha on 11 Nov 2023

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Make the Word TEN

Asked by Neha on 14 May 2021

Spot what is wrong here in below Picture?

Spot the wrong in Picture

Asked by Neha on 11 Feb 2023


What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

What has 4 Letters

Asked by Neha on 15 Mar 2024

What word begins and ends with an E, but has only one letter?

Asked by Neha on 21 Oct 2021

What begins with T, ends with T, and has T in it?

Asked by Neha on 15 Oct 2021


What kind of band never plays music?

Asked by Neha on 09 Jul 2023

Hot Articles

Amazing Facts

Rubik’s Cube

The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.