BANKING Content

RRB ALP 17th Aug 2018 Shift-2 Question 1

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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