Q.
If the ratio of mean and median of a certain data is 2 : 3, then the ratio of its mode and mean is
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a
4:3
b
7:6
c
7:8
d
5:2
answer is D.
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Detailed Solution
We have, Mean Median =23⇒ Mean =2λ and Median =3λ∴ Mode =3 Median −2 Mean ⇒ Mode =9λ−4λ=5λ Mode: Mean =5λ:2λ=5:2
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