The ratio of three numbers is 7 : 6 : 5. If the sum of the three numbers is…
2021
The ratio of three numbers is 7 : 6 : 5. If the sum of the three numbers is 324, then what is the largest number among the three numbers?
- A.
18
- B.
126
- C.
90
- D.
108
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Correct answer: B
Solution:
Step 1: Add the parts of the ratio 7 : 6 : 5. 7 + 6 + 5 = 18.
Step 2: Find the value of one part by dividing the total by 18. 324 ÷ 18 = 18.
Largest number = 7 × 18 = 126.
Other numbers: 6 × 18 = 108, and 5 × 18 = 90.
Answer: 126