alleryচারটি ফোল্ডারে 18 শীট রাখা উচিত; 7 শীট অনুপস্থিত। শীট বাকি?
A61
B67
C65
D63
Answer & Solution
Correct answer: C. 65
ফোল্ডারে রয়েছে 4 × 18 − 7 = 65 শীট।
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