allery1, 4, 9, 16, 20, 25 সংখ্যাবোৰৰ মাজৰ অমিল সংখ্যাটো চিনাক্ত কৰা।
A16
B4
C25
D20
Answer & Solution
Correct answer: D. 20
20 ৰ বাহিৰে বাকী সকলো পদেই পূৰ্ণবৰ্গ সংখ্যা, কাৰণ 20 সংখ্যাটো 16 আৰু 25 ৰ মাজত অৱস্থিত।
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