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Question
Numbers 5, 15, 20, x, 28, 30, 35 are in ascending order and have median = 23; then the value of x is ______.
Options
24
29
17.5
23
MCQ
Fill in the Blanks
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Solution
Numbers 5, 15, 20, x, 28, 30, 35 are in ascending order and have median = 23; then the value of x is 23.
Explanation:
Given, numbers:
5, 15, 20, x, 28, 30, 35
The number of terms (n) are 7, which is odd.
∴ Median = `(n+1)/2` th term
Substituting value we get:
⇒ `23 = (7+1)/2` th term
⇒ 23 = `8/2` th term
⇒ 4 th term = 23
⇒ x = 23
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