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Q.

What is the median of 10, 30, 20, and 40?


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a

15

b

20

c

25

d

30 

answer is C.

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Detailed Solution

Given, 10, 30, 20, 40.
Ascending order is 10, 20, 30, and 40.
The Median is the middle most element of the data.
If there are two medians then the average of the two numbers is the median.
Here, 20 and 30 are the centers of the data.
Hence, 20 + 302 = 25 is the median.
So, option 3 is correct.
 
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