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Question 1
If A, B and C are denoting Mean, Median and Mode of a data and A : B = 9 : 8 then the
ratio of B : C is:
Solution
Step-by-step explanation:
Mean = A =9x
Median =B=8x
We know that
3 Median = 2Mean + Mode
=> Mode=3Median - 2Mean
=> Mode=3×8x - 2×9x
=6x
b:c=8x:6x
=4 : 3
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