alleryایک اندراج 2, ?, 12, 20, 30 میں پوشیدہ ہے۔ پوشیدہ نمبر کیا ہے؟
A6
B8
C4
D10
Answer & Solution
Correct answer: A. 6
شرائط nx (n + 1): 1x2، 2x3، 3x4، 4x5، 5x6 کی پیروی کرتی ہیں، لہذا دوسری اصطلاح 6 ہے۔
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