If the difference between mean and mode is 63, then the difference between mean and median is
A
189
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B
21
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C
31
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D
48
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Solution
The correct option is B21 Given : Mean−Mode=±63 Using, Mode=3Median−2Mean -Mode=2Mean−3Median Now adding Mean to both sides, Mean−Mode=3(Mean - Median) Now, Mean−Mode=±63 (Given) ⇒Mean - Median=±633=±21 ∴ difference between mean and median is 21