Maths Odd One Out

Which Number is the odd one out?

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




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


Which famous Hollywood movie name is hidden in the below rebus?

Hollywood Movie Riddle

Asked by Neha on 20 Apr 2026

No one wants to have it, but if one got it, he does not want to lose it. What is It?

Asked by Neha on 11 Jan 2021


It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

Asked by Neha on 17 May 2021

Eight Chelsea player makes the following statements :

1. Seven of us are lying here.
2. Six of us are lying here.
3. Five of us are lying here.
4. Five of us are lying here.
5. Four of us are lying here.
6. Three of us are lying here.
7. My name is Torres.
8. My name is Lampard.

The last two are Lampard and Torres or maybe Torres and Lampard.
So can you deduce which of the last two is Lampard or Torres?

Asked by Neha on 14 Oct 2024

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

Asked by Neha on 25 Jan 2025


What is common among 11, 69, and 88?

What is common here

Asked by Neha on 15 Sep 2023

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

Asked by Neha on 30 Jan 2021

What four weights can be used to balance from 1 to 30 pounds?

Asked by Neha on 25 Apr 2022


We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

Asked by Neha on 04 Mar 2023

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