allery1 से 100 तक कितने पूर्णांक 2 से या 5 से विभाज्य हैं?
A70
B50
C60
D65
Answer & Solution
Correct answer: C. 60
2 के गुणज 50 हैं, 5 के गुणज 20 हैं, 10 के गुणज 10 हैं, अतः 50 + 20 - 10 = 60।
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