The ratio between the present ages of ram, rohan and raj is 3:4:5. if the average of their present ages is 28 years then what will be the sum of the ages of ram and rohan together after 5 years?
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average=sum of all no. / total no.
so, the no. be X
3x+4x+5x=12x
12x/3=28
x=28*3/12
x=7
4*7 =28
3*7=21
5*7=35
28+21+35= 84
it's the right ans.
AditaGupta:
ram+rohan=49 years now after 5 years 49+5=54
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