Solve this: Question No 4 In a survey, out of 750 students of a college, 475 read newspaper - Maths - Sets

Question

Solve this:
Question No 4
In a survey, out of 750 students of a college, 475 read newspaper H
and 525 read newspaper T What is the least number of students who
read both the newspapers?
A) 225
B) 250
C) 275
D) 300

Brijendra Pal · Accepted Answer

Hi, Here nH=475 nT= 525and nH∪T= 750 so nH∪T=nH +nT-nH∩Tnow least number of students who reads both nH∩T=nH +nT-nH∪T = 525+475 -750 =250

Solve this: Question No. 4 In a survey, out of 750 students of a college, 475 read newspaper H and 525 read newspaper T. What is the least number of students who read both the newspapers? A) 225 B) 250 C) 275 D) 300

Solve this:
Question No. 4
In a survey, out of 750 students of a college, 475 read newspaper H and 525 read newspaper T. What is the least number of students who read both the newspapers?
A) 225
B) 250
C) 275
D) 300