Maths Set Theory Puzzle

In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?




Similar Riddles

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

Asked by Neha on 10 Jan 2021


Can you find out who is the kidnapper in below Picture and why, Explain ?

Catch the Kidnapper

Asked by Neha on 17 May 2021

A generous owner of a company decided to give a bonus of $45 to every man and $60 to every woman on his birthday. But only one-ninth of the men and one-twelfth of the women were present to take the bonus.

Can you calculate the amount of money the owner spent if there were 3552 employees?

Asked by Neha on 26 Nov 2024


What came first, the chicken or the egg?

Asked by Neha on 29 Dec 2025

I am Huge on Sunday and Saturday.
I am small from Tuesday to Thursday.
I do not exist on Monday and Friday.
Who am I?

Asked by Neha on 25 Mar 2026

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Asked by Neha on 31 Jan 2026


Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

Value of the Symbols

Asked by Neha on 12 Aug 2023

On the occasion of Diwali, online seller companies in India are offering a big discount on Iphone14 as below.

: Flipkart offers a Flat 65% discount
: Amazon offers a 10% discount over and over again.
: Shopclues offers RS.45,000 off.

If the original cost of the iPhone is Rs.70,000 Which is the best offer for you?

Asked by Neha on 01 Sep 2024

What has a ring but no finger?

Asked by Neha on 13 Apr 2024


Which of the below owl is odd one out?

Find the odd

Asked by Neha on 22 May 2021

Hot Articles

Amazing Facts

Gambling

In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.