Q104 of 110 Page 242

150 students are studying English, Maths or both. 62 per cent of the students are studying English and 68 per cent are studying Maths. How many students are studying both?

Students studying English, Maths or both are = 150


Student studying English are = = 93


Now, students studying Maths are = = 102


Using the concept of sets,


Students studying both = Students studying Maths + Students Studying English – Students studying both English, Maths or both


⇒ Students studying both = 102 + 93 – 150


⇒ Students studying both = 195 – 150


⇒ Students studying both = 45


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