RAM is 25 years younger than his father .after 10 years their age will be in the ratio 1:2 their present ages are { in year }
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the present 42
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RAM = r
FATHER = f
r = f - 25...(1)
r+ 10 : f + 10 = 1:2, or
2 (r+10) = f + 10,or
2r + 20 = f + 10,or
f = 2r + 10....(2)
putting f in (2) in (1) we get
r= 2r + 10 - 25 ,or
r = 15 and f = 40
ram is 15 years old and his father is 40 years old now .
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