in a class, 20 opted for physics,17for maths,5for both and
10 for other subjects.the class contains how many students ?

Answer Posted / prem chand

physics = 20
maths = 17
phy & mat = 5
others = 10
Total = (20-5)+(17-5)+ 10 +5
= 42

Is This Answer Correct ?    19 Yes 2 No



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