Question 48Asked in CTET December 2024 Paper 2 Maths & Science, 15 Dec 2024

The mean of observations (arranged in ascending order) 42, 48, x + 15, x + 17, x + 20, 58 and 60 is 53. The median of the data isआरोही क्रम में व्यवस्थित प्रेक्षणों 42, 48, x + 15, x + 17, x + 20, 58 और 60 का माध्य 53 है। इन आँकड़ों का माध्यक है

आरोही क्रम में व्यवस्थित प्रेक्षणों 42, 48, x + 15, x + 17, x + 20, 58 और 60 का माध्य 53 है। इन आँकड़ों का माध्यक है
  1. A5353
  2. B5454
  3. C5555
  4. D5656
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Correct answer: (B) 5454

Explanation

Sum = 260 + 3x = 7 × 53 = 371, so x = 37. The data are 42, 48, 52, 54, 57, 58, 60, and the middle (4th) value, the median, is 54.योग = 260 + 3x = 7 × 53 = 371, अतः x = 37। आँकड़े 42, 48, 52, 54, 57, 58, 60 हैं और बीच का (चौथा) मान, यानी माध्यक, 54 है।

From CTET December 2024 Paper 2 Maths & Science, 15 Dec 2024 — Previous Year Paper

This is question 48 of CTET December 2024 Paper 2 Maths & Science, 15 Dec 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.