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1. If the length of each of the sides of three square plots is increased by 50 percent, how much does the watch gain in one day?
- A. 375%
- B. 375%
- C. 375%
- D. 375%
Answer: Option D
Explanation:
Shortcut method:
a+b+(ab/100)
=50+50+(50×50)/100
=125%
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