Question

Present ages of ‘A’, ‘B’ and ‘C’ are in the ratio 8:10:11, respectively. If present average age of ‘A’ and ‘C’ is 19 years, then find the age of ‘B’ when ‘C’ was 20 years old?

A 18 years
B 14 years
C 17 years
D 12 years
E None of these
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