First slide

Operations on Sets

Question

In a college of 300 students, every student reads 5 newspaper and every newspaper is read by 60 students. The no. of newspapers is

Moderate

A

at least 30
B

atmost 20
C

exactly 25
D

atmost 10

Solution

If n is the required number of newspapers then $n \times 60 = 300 \times 5 \Rightarrow n = 25$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App