allery60 अभ्यर्थियों की एक परीक्षा में, 40 ने पेपर 1 उत्तीर्ण किया, 35 ने पेपर 2 उत्तीर्ण किया और 25 ने दोनों पेपर उत्तीर्ण किए। केवल पेपर 2 उत्तीर्ण करने वाले अभ्यर्थियों की संख्या कितनी है?
A5
B8
C10
D15
Answer & Solution
Correct answer: C. 10
केवल पेपर 2 = n(P2) - n(P1 ∩ P2) = 35 - 25 = 10.
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