alleryಲೇಬಲ್ಗಳು 7, 12, 17, ..., 82 5 ರಷ್ಟು ಏರಿಕೆ; ಒಂದು ಕಳೆದುಹೋಗಿದೆ, ಮೊತ್ತ 660. ಕಳೆದುಹೋದ ಲೇಬಲ್?
A62
B47
C57
D52
Answer & Solution
Correct answer: D. 52
ಒಟ್ಟು 16 ಲೇಬಲ್ಗಳು 16 × (7 + 82) ÷ 2 = 712, ಆದ್ದರಿಂದ ಕಳೆದುಹೋದ ಲೇಬಲ್ 712 - 660 = 52 ಆಗಿದೆ.
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