allery60 ઉમેદવારોની એક પરીક્ષામાં, 40 પેપર 1 માં પાસ થયા, 35 પેપર 2 માં પાસ થયા અને 25 બંનેમાં પાસ થયા. માત્ર પેપર 2 માં કેટલા ઉમેદવારો પાસ થયા?
A5
B8
C10
D15
Answer & Solution
Correct answer: C. 10
માત્ર પેપર 2 = n(P2) - n(P1 ∩ P2) = 35 - 25 = 10.
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