Find out the missing number in the series. 2, 5, 12, 27, ?
Question and options
Find out the missing number in the series.
2, 5, 12, 27, ?
- 54
- 56
- 58
- 55
Answer and explanation
Correct answer: C - 58
Each term is doubled and then 1, 2, 3 and so on are added: 2 × 2 + 1 = 5, 5 × 2 + 2 = 12 and 12 × 2 + 3 = 27. The next term is 27 × 2 + 4 = 58; 54 is the doubling without the added 4.
Practice for these exams
-
CUSAT CAT Five-Year LL.B.
Related question papers
Related exam syllabi
More solved explanations in Quantitative Aptitude & Data Interpretation
- Read the passage and answer the question. A state electricity report serves as an important tool to assess energy production and track progress in the power…
- Direction: Read the passage and answer the question. A, B, C and D are four friends living together in a flat and they have an agreement that whatever edible comes…
- Read the passage and answer the question. Children of a nature club were asked to collect leaves of different shapes for an outdoor nature study. The diagram below…
- Find out the missing number from the choices given. 11, 13, 17, 19, 23, 25, __________
- Read the passage and answer the question. According to the estimates of the World Inequality Report 2022, in India, men earn 82 percent of the labour income,…