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in a class, 20 opted for physics,17for maths,5for both and
10 for other subjects.the class contains how many students ?
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Answer Posted / dev
here note that 5 students opted both Math and Phy
Therefore,
Students opted for Phy only :(20-5)= 15
Students opted for Math only :(17-5)= 12
Students opted both : 5
students of other : 10
So, total students = 42
| Is This Answer Correct ? | 53 Yes | 9 No |
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