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1. If 20 percent of 80 percent of a number is 12.8, then what is the number ?
- A. 80
- B. 80
- C. 80
- D. 80
Answer: Option A
Explanation:
Let, the number is x
Accordingly,
20%× 80% × x = 12.8
⇒ x = (128 × 100 × 100)/(20 × 80 × 10)= 80.
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