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The age of Rahul 's father is 4 times of his age . If the sum of there ages is 40 years , then the difference of there ages |
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Answer» A father is 4 TIMES older than his son. In 20 years he will be twice as old as his son. What AGES do they have now?2.7 million jobs ESTIMATED for data science roles in 2020.f=4s f+20=2(s+20) 4s+20=2s+40 4s=2s+20 2s=20 s=10,f=40 (son is 10, father is 40)Let son's age is x yearsfather is 4 times older than his son hence father age will be 4xIn 20 years he will be twice as old as his son. After 20 years their ages will beSon age = x + 20Father's age = 4x + 204x + 20 = 2 ( x + 20 )Solving the equation4x + 20 = 2x + 404x - 2x = 40 - 202x = 20x = 10The son's present age is 10 yearsFather's age is 4x= 4 × 10 = 40 years.Answer son's present age 10 years and father's present age is 40 yearsLet us check the correctness of answer by putting their respective ages in the equation.4x + 20 = 2x + 404 × 10 + 20 = 2×10 + 4040 + 20 = 20 + 4060 = 60Means answer is correct.please mark BRAINLIEST and thanks and follow me... |
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