Maths Odd One Out

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135




Similar Riddles

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

Asked by Neha on 16 Jan 2026


Can you find the odd number in the following?

2716, 4135, 5321 and 7145

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I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

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I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

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why number 8549176320 is one of a kind?

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Can you write down eight eights so that they add up to one thousand?

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The below given figure comprises of a pattern through which you can determine the missing letter. Can you push your mind to find the pattern and add the missing letter?

Replace the (?)

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John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

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I’m orange, I wear a green hat and I sound like a parrot. What am I?

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Replace the question mark in the picture below.

Fill the Required Number Puzzle

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.