Logical Series

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

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




Similar Riddles

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Asked by Neha on 17 Oct 2023


Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Asked by Neha on 04 Aug 2023

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

Asked by Neha on 05 Jul 2021


This is a famous paradox which has caused a great deal of argument and disbelief from many who cannot accept the correct answer. Four balls are placed in a hat. One is white, one is blue and the other two are red. The bag is shaken and someone draws two balls from the hat. He looks at the two balls and announces that at least one of them is red. What are the chances that the other ball he has drawn out is also red?

Asked by Neha on 17 Oct 2024

Can you find out the total number of triangles in the given figure?

Triangle Angle

Asked by Neha on 12 Mar 2024

These types of puzzles are known as charades. What you have to do is find two words that are referred to in the first stanza and the second stanza and put them together to form the third word in the third stanza.

Just for example, if my first refers to 'off' and my second refers to 'ice', then my whole will be office.

My first is present - future's past -
A time in which your lot is cast.

My second is my first of space
Defining people's present place.

My whole describes a lack of site -
A place without length, breadth, or height.

Asked by Neha on 08 Feb 2026


What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Asked by Neha on 21 Feb 2024

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Brick Optical Illusion

Asked by Neha on 05 Jan 2025

Find the smallest sentence with all the English alphabet.

Asked by Neha on 21 Sep 2025


A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Asked by Neha on 29 Mar 2024

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Amazing Facts

Artificial Intelligence

Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.