Question 59
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Three numbers are in the ratio 2 : 3 : 5 and the sum of their squares is 608. What is the largest number?
- A 12
- B 25
- C 20 Correct
- D 16
Correct Answer: Option C
Let the numbers be 2k, 3k, 5k.
4k² + 9k² + 25k² = 38k² = 608 → k² = 16 → k = 4
Largest = 5 × 4 = 20
Answer: 20
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