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      Question

      Arjun has a sibling who is 5 years older than him. When

      Arjun was born, his mother was 30 years old, and his father was 32 years old. If his sibling was 6 years old when another sibling was born, what were the ages of Arjun's parents when the younger sibling was born?
      A 20 yrs and 30yrs Correct Answer Incorrect Answer
      B 31 yrs and 33yrs Correct Answer Incorrect Answer
      C 15 yrs and 18yrs Correct Answer Incorrect Answer
      D 12 yrs and 18yrs Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let 'A' be Arjun's age. Arjun's sibling is 'A+5' years old. The younger sibling was born when Arjun's sibling was 6 years old. Since Arjun's sibling is 5 years older than Arjun = A+5=6 Now, solve for 'A' A =6−5 = 1 Therefore, Arjun was 1 year old when the younger sibling was born. So, when Arjun was born , mother's age = 30 years and father's age = 32 years So, the younger sibling was born, 1 year after Arjun: Mother's age = 30 + 1 = 31 years Father's age = 32 + 1 = 33 years Therefore, the ages of Arjun's parents when the younger sibling was born were Mother's age: 31 years and Father's age: 33 years

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