the sum of the present age of A B and C is 90 years 6 years ago their ages were in the ratio 1 ratio 2 ratio 3 then the present age of C is
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Answer :
42
Step by step explanation :
A + B + C = 90
6 years ago sum their ages = 90 - 18 = 72
1x+2x+3x=72
6x=72
x=12
C(6 yrs ago)=3*12=36
C (present age)=36+6=42
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