the present age of a,b,c,in the proportion 10:11:12 five years ago,the some of their ages was150.their present age are:
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Let the present age be,
10x, 11x, 12x
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5 years ago,
10x -5 +11x-5+12x-5 =150
10x+11x+12x -15=150
33x = 150+15
33x = 165
x = 5
Present age of,
a =10x =10×5=50 years
b = 11x =11×5 =55 years
c =12x =12×5=60years
I hope this will help you
-by ABHAY
10x, 11x, 12x
-------------------
5 years ago,
10x -5 +11x-5+12x-5 =150
10x+11x+12x -15=150
33x = 150+15
33x = 165
x = 5
Present age of,
a =10x =10×5=50 years
b = 11x =11×5 =55 years
c =12x =12×5=60years
I hope this will help you
-by ABHAY
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