6. Swati is 3 years younger than her brother Ravi. Ifthe sum of their – InterviewSolution

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1.	6. Swati is 3 years younger than her brother Ravi. Ifthe sum of their ages is 33 years, write an equationto find their ages.
Answer» Let S be Swati's age and R be Ravi's age. S = R - 3 . . . . . (1) S + R = 33 . . . . . (2)These are the equations.To solve itSubstitute (1) in (2) => R - 3 + R = 33 2R = 30 R = 15 S = 12Ravi's age is 15 yearsSwati's age is 12 years

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