CA Foundation P3 Ā· Chapter 9 Ā· Question 3 of 9
Find the next term: 2, 3, 10, 15, 26, 35, ?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) 50
Explanation
The terms follow nĀ² + 1 for odd n and nĀ² ā 1 for even n: 1+1 = 2, 4ā1 = 3, 9+1 = 10, 16ā1 = 15, 25+1 = 26, 36ā1 = 35. The 7th term is 49 + 1 = 50. Answering 49 forgets the alternating +1/ā1.
More Number Series, Coding and Decoding and Odd Man Out MCQs
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- Q6In a certain code, CASH is written as XZHS. How is BANK written in that code?
- Q7If TEN is coded as 39 by adding the alphabetical positions of its letters, then SIX will be coded as:
- Q8Find the odd one out: 27, 64, 144, 216
- Q9Find the odd one out: 29, 37, 51, 61