alleryলেবেল 7, 12, 17, ..., 82 5 দ্বারা বৃদ্ধি; একটি হারিয়ে গেছে, যোগফল 660 রেখে। লেবেল হারিয়েছেন?
A62
B47
C57
D52
Answer & Solution
Correct answer: D. 52
মোট 16টি লেবেল আছে 16 × (7 + 82) ÷ 2 = 712, তাই হারানো লেবেল হল 712 − 660 = 52৷
Keep practising Arithmetic and Non-verbal Series
Browse all Arithmetic and Non-verbal Series questions for RPF Constable, or explore more General Intelligence and Reasoning topics.
Related questions
Continue the patternsContinue the patternsUse1–6 once in a row. The5 absolute neighbour differences must be1–5 once each. First=2,laStart at2; alternate×2+a, then×3−b, with a,b each1–4. Exactly one other term is wrong:2,8,Two arithmetic progressions alternate. One adjacent pair was swapped:3,6,8,13,10,14,18,18.The row a,b,c,d,e,f uses1–6 once. c=a+b; e=b+d; f=a+d; a<b<d. Find e.Match the calculated resultRow sizes rise equally; row 4 has 19 and row 10 has 49. Row 15 size?