allery90 विद्यार्थ्यांपैकी 50 इंग्रजीत उत्तीर्ण झाले आणि 60 हिंदीत उत्तीर्ण झाले; सर्वजण किमान एका विषयात उत्तीर्ण झाले. दोन्ही विषयांत किती विद्यार्थी उत्तीर्ण झाले?
A20
B15
C25
D10
Answer & Solution
Correct answer: A. 20
दोन्ही विषयांत = 50 + 60 - 90 = 20 विद्यार्थी.
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