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Course: Class 11 math (India) > Unit 1

Lesson 4: Applications of sets
Math
Class 11 math (India)
Sets
Applications of sets
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Practical problems on union and intersection of sets (basic)

Google Classroom

Problem

In a group of 50 students, 30 like to play football and 25 like to play cricket. Each student likes to play at least one of the two sports.
How many students like to play both football and cricket?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi