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The ages of Rahul and Hari are in the ratio 5:7 Four years later the sum of their ages will be 56 years . What are their present age ?20,2830,3810,1840,25 |
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Answer» Let the common ratio between Rahul's age Hari's age be x ∴ Age of Rahul and Hari will be 5x years and 7x years After 4 years the age of Rahul and Hari will be (5x+4) years and (7x+4) years After 4 years , the sum of ages of Rahul and Hari is 56 years ∴5x+4+7x+4=56 12x+8=56 12x=56−8 12x=48 x=4 Rahul's age = 5x years =5×4 = 20 years Hari's age = 7x years =7×4 =28 years Answer : 20,28 |
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