alleryلیبلز 7, 12, 17, ..., 82 اضافہ 5; ایک کھو گیا، رقم 660 چھوڑ کر۔ گم شدہ لیبل؟
A62
B47
C57
D52
Answer & Solution
Correct answer: D. 52
مجموعی طور پر 16 لیبلز ہیں 16 × (7 + 82) ÷ 2 = 712، لہذا گم شدہ لیبل 712 − 660 = 52 ہے۔
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