The ages of ram and shyam are in ratio 5:7 four years from now the ratio their ages will be 3:4find their present age?
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Ram=20yrs.
Shyam=28yrs.
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let the age of ram and shyam be 5x and 7x
after four years age of ram is 5x+4
age of shyam is 7x +4
5x+4/7x+4=3/4
3X{7x+4}= 4X{5x+4}
21x+12=20x+16
21x-20=16-12
x= 4
age of ram = 20 years
age of shyam = 28 years
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