Question 52Asked in CTET January 2024 Paper 2 Maths & Science, 21 Jan 2024

Three consecutive integers are such that when they are taken in increasing order and multiplied by 3, 5 and 2, respectively, they add up to 99. What is the…तीन क्रमागत पूर्णांक इस प्रकार हैं कि जब उन्हें बढ़ते हुए क्रम में लिया जाता है और क्रमशः 3, 5 तथा 2 से गुणा करके जोड़ा जाता है, तो योगफल 99 प्राप्त होता…

Three consecutive integers are such that when they are taken in increasing order and multiplied by 3, 5 and 2, respectively, they add up to 99. What is the sum of the original first and third integers ?
तीन क्रमागत पूर्णांक इस प्रकार हैं कि जब उन्हें बढ़ते हुए क्रम में लिया जाता है और क्रमशः 3, 5 तथा 2 से गुणा करके जोड़ा जाता है, तो योगफल 99 प्राप्त होता है। आरंभिक पहले तथा तीसरे पूर्णांकों का योग क्या है?
  1. A1616
  2. B1818
  3. C2020
  4. D2424
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Correct answer: (C) 2020

Explanation

Let them be n, n + 1, n + 2. 3n + 5(n + 1) + 2(n + 2) = 10n + 9 = 99, so n = 9. The integers are 9, 10, 11 and 9 + 11 = 20.मान लें वे n, n + 1, n + 2 हैं। 3n + 5(n + 1) + 2(n + 2) = 10n + 9 = 99, अतः n = 9। पूर्णांक 9, 10, 11 हैं और 9 + 11 = 20।

From CTET January 2024 Paper 2 Maths & Science, 21 Jan 2024 — Previous Year Paper

This is question 52 of CTET January 2024 Paper 2 Maths & Science, 21 Jan 2024 — Previous Year Paper. 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.