একটি সংখ্যা ৩৩ থেকে যত ছোট, ২১ অপেক্ষা তার দ্বিগুণ বড়। সংখ্যাটি কত?
A. 24
B. 27
C. 30
D. 29
সঠিক উত্তরঃ
D.
29
Explanation:
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