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12 cats catch 12 mice in 12 minutes. How many cats are needed to catch 60 mice in 30 minutes?

Class 8Workers, Days and HoursDirect and Inverse Proportions
  • A60 cats
  • B24 cats
  • C30 cats
  • D12 cats

Step-by-Step Solution

One cat catches 1 mouse in 12 min, so in 30 min it catches 2.5 mice. cats.
Answer: B) 24 cats

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