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1. A car wash center washes 10 cars in half an hour. At this rate how many cars can it wash in 4 hours?
- A. 60
- B. 60
- C. 60
- D. 60
Answer: Option D
Explanation:
Half an hour means 30 Minutes
10 cars are washed in 30 Min
4 hours means (4×60) Minutes it washes =
(10×4×60)÷30 = 80
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