Question

Out of group of 120 students, 90 take math and 72 take Statistics. If 10 students take neither of the two, how many take both?

Answer 1

✰✰|| Given ||✰✰

• Total students = 120

• No. of students take math = 90

• No. of students take Statistics = 72

• No. of students not take any subject = 10

✰✰|| To Find ||✰✰

• No. of students take both subject

✪|| Solution ||✪

No. of students take any subject = 120 - 10

⇒ No. of students take any subject = 110

⇒ 90 + 72 = 110

⇒ 162 = 110

No. of students take both subject = 162 - 110

⇒No. of students take both subject = 52

No. of students take both subject is 52