alleryचार फ़ोल्डरों में प्रत्येक में 18 शीट होनी चाहिए; 7 शीट गायब हैं। चादरें बची हैं?
A61
B67
C65
D63
Answer & Solution
Correct answer: C. 65
फ़ोल्डरों में 4 × 18 − 7 = 65 शीट हैं।
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