# CBSE Class 11-science Answered

**In a class of 60 students 30 students play harmonium and 40 students play guitar. How many students play both the instruments?**

Asked by Topperlearning User | 17 Apr, 2014, 11:47: AM

Expert Answer

Let H denote the set of students who play harmonium and G be the set of students who play guitar. So, we have

Answered by | 17 Apr, 2014, 01:47: PM

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