The mean of the age of three students vijay,Rahul and Rakhi is 15years. If their ages are in the ratio 4:5:6 respectively,then find their ages
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The mean of the age of three students vijay,Rahul and Rakhi is 15years. If their ages are in the ratio 4:5:6 respectively,then find their ages
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15x=5
x=3
Subs
4×3=12yrs
5×3=15yrs
6×3=18yrs