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Q.

Median and mode of distribution are 46 and 38 respectively, then their mean is,


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a

20

b

40

c

50

d

60 

answer is C.

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Detailed Solution

Given that,
Median and mode of distribution are 46 and 38 respectively.
We know,
The relation between the three central tendencies are,
3(   Mean - Median )=   Mean - Mode
 Therefore, according to the question,
⇒3(Mean-46)=Mean-38
⇒3(Mean)-3×46=Mean-38
⇒3Mean-Mean=138-38
⇒2Mean=100
⇒Mean=1002
⇒Mean=50
The mean is 50.
Therefore, option 3 is correct.
 
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