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Q.

Median and mean of a data are 15 and 20. Find mode of the data.


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a

20

b

15

c

10

d

5 

answer is D.

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Detailed Solution

Given that, median is 15 and mean is 20.
So,
Mode= 3Median−2Mean  ⇒Mode= 3(15)−2(20)  ⇒Mode= 45−40  ⇒Mode= 5   
Thus, the mode of data is 5.
Therefore, option (4) is correct.
 
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