allery2, ?, 12, 20, 30 ਵਿੱਚ ਇੱਕ ਐਂਟਰੀ ਲੁਕੀ ਹੋਈ ਹੈ। ਲੁਕਿਆ ਹੋਇਆ ਨੰਬਰ ਕੀ ਹੈ?
A6
B8
C4
D10
Answer & Solution
Correct answer: A. 6
ਸ਼ਬਦ nx (n + 1) ਤੋਂ ਬਾਅਦ ਆਉਂਦੇ ਹਨ: 1x2, 2x3, 3x4, 4x5, 5x6, ਇਸ ਲਈ ਦੂਜਾ ਸ਼ਬਦ 6 ਹੈ।
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