alleryલેબલ્સ 7, 12, 17, ..., 82 વધીને 5; રકમ 660 છોડીને એક ખોવાઈ જાય છે. લેબલ ગુમાવ્યું?
A62
B47
C57
D52
Answer & Solution
Correct answer: D. 52
કુલ 16 × (7 + 82) ÷ 2 = 712 ના 16 લેબલ છે, તેથી ખોવાયેલ લેબલ 712 − 660 = 52 છે.
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