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1.
The difference between a number and its two-fifth is 510. What is 10 percent of that number?
- A. 12.75
- B. 12.75
- C. 12.75
- D. 12.75
Answer: Option B
Explanation:
Let the number be x
Then, x - 2x/5 = 510
(5x - 2x) /5 = 510
3x = 510×5
x = 850
So, 10% of 850 = 85
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