alleryਦੁੱਗਣਾ ਕਰੋ ਅਤੇ ਹਰੇਕ ਕਦਮ 'ਤੇ ਇੱਕ ਜੋੜੋ: 1, 3, 7, 15, 31। ਅੱਗੇ ਕਿਹੜਾ ਨੰਬਰ ਹੈ?
A62
B63
C61
D64
Answer & Solution
Correct answer: B. 63
ਹਰੇਕ ਪਦ ਪਿਛਲੇ ਪਲੱਸ ਵਨ ਦਾ ਦੁੱਗਣਾ ਹੈ, ਇਸ ਲਈ 31 x 2 + 1 = 63।
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