Maths Set Theory and Relations Practical Problems on Union and Intersection of Two Sets Single Correct MCQ
Published on: August 14, 2026

In a certain town families own a cell phone, families own a scooter and families own neither a cell phone nor a scooter. If 1500 families own both a cell phone and a scooter, then the total number of families in the town is

A
10,000
B
20,000
C
30,000
D
40,000

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Text Solution

Verified by Experts
The correct answer is:
C

Let total number of families .
Given:

25% own a cell phone

15% own a scooter

65% own neither

So, %( cell phone scooter )
Using:

Given 5% of families = 1500,

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