alleryलेबले 7, 12, 17, ..., 82 5 ने वाढ; बेरीज 660 सोडून एक गमावला आहे. हरवलेले लेबल?
A62
B47
C57
D52
Answer & Solution
Correct answer: D. 52
एकूण 16 लेबले आहेत 16 × (7 + 82) ÷ 2 = 712, त्यामुळे हरवलेले लेबल 712 − 660 = 52 आहे.
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