If the ratio of mode and median of a certain data is 6 : 5, then find the ratio of its mean and median.
Mode = 3 Median – 2 Mean
= 
Mode = 
= 3 Median - 2 Mean
2 Mean = 3 Median - 
2 Mean = 
Mean = 
Therefore, 
= 9: 10
2
If the ratio of mode and median of a certain data is 6 : 5, then find the ratio of its mean and median.
Mode = 3 Median – 2 Mean
=
Mode =
= 3 Median - 2 Mean
2 Mean = 3 Median -
2 Mean =
Mean =
Therefore, = 9: 10