Question 142Asked in Bihar STET Paper 2 Computer Science (Class 11-12), 12 Sep 2023, Shift 1

What is the missing number in the pattern given below? 1, 6, 15, -------45, 66, 91लुप्त संख्या चयन करके श्रृंखला को पूरा कीजिए: 1, 6, 15, ______, 45, 66, 91

लुप्त संख्या चयन करके श्रृंखला को पूरा कीजिए: 1, 6, 15, ______, 45, 66, 91
  1. A2525
  2. B3636
  3. C2828
  4. D3232
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Correct answer: (C) 2828

Explanation

The differences are 5, 9, 13, 17, 21, 25 (rising by 4), so the missing term is 15 + 13 = 28. Then 28 + 17 = 45.अंतर 5, 9, 13, 17, 21, 25 हैं (हर बार 4 बढ़ता है), इसलिए छूटा पद 15 + 13 = 28 है। फिर 28 + 17 = 45।

From Bihar STET Paper 2 Computer Science (Class 11-12) PYQ, 12 Sep 2023, Shift 1

This is question 142 of Bihar STET Paper 2 Computer Science (Class 11-12) PYQ, 12 Sep 2023, Shift 1. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.