जॉइन Examsbookउत्तर : 2. "41"
Sweety is 54 years old and her mother is 80. How many years ago was Sweety's mother three times her age?5
प्र: Sweety is 54 years old and her mother is 80. How many years ago was Sweety's mother three times her age?
- 120false
- 241true
- 326false
- 433false
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उत्तर : 2. "41"
व्याख्या :
Answer: B) 41 Explanation: Given P = 54 and M = 80 According to the question, Let ‘A’ years ago, M = 3P => M - A/P - A = 3 => 80 - A = 3(54 - A) => 80 - A = 162 - 3A => 2A = 82 => A = 41 Therefore, A = 41 years ago Sweety’s mother was 3 times of Sweety’s age. Hence, at the age S = 13 and M = 39.