allery60 उमेदवारांच्या एका परीक्षेत, 40 उमेदवार पेपर 1 मध्ये उत्तीर्ण झाले, 35 उमेदवार पेपर 2 मध्ये उत्तीर्ण झाले आणि 25 दोन्ही पेपरमध्ये उत्तीर्ण झाले. केवळ पेपर 2 मध्ये किती उमेदवार उत्तीर्ण झाले?
A5
B8
C10
D15
Answer & Solution
Correct answer: C. 10
केवळ पेपर 2 = n(P2) - n(P1 ∩ P2) = 35 - 25 = 10.
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