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1. Arif has a brother one-third his age and a sister three times his age. If the combined ages of all 3 children is 5 less than twice the oldest, how old is Arif?
- A. 6
- B. 6
- C. 6
- D. 6
Answer: Option B
Explanation:
Now, x + + 3x = 6x - 5
Or,
Or, 13x = 18x - 15
Or, 5x = 15
Or, x = 3.
Hence, Arif is 3 years old.
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