alleryਲੇਬਲ 7, 12, 17, ..., 82 5 ਦੁਆਰਾ ਵਧਦੇ ਹਨ; ਜੋੜ 660 ਛੱਡ ਕੇ ਇੱਕ ਗੁਆਚ ਗਿਆ ਹੈ। ਗੁੰਮ ਲੇਬਲ?
A62
B47
C57
D52
Answer & Solution
Correct answer: D. 52
ਕੁੱਲ 16 ਲੇਬਲ ਹਨ 16 × (7 + 82) ÷ 2 = 712, ਇਸਲਈ ਗੁਆਚਿਆ ਲੇਬਲ 712 − 660 = 52 ਹੈ।
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