Work-rate proportionality (cats and mice): Find days for 4 cats to kill 4 mice. Given: 100 cats kill 100 mice in 100 days (assume proportional, independent rates). Determine the number of days for 4 cats to kill 4 mice. Choose the correct duration.
Verbal Reasoning
Arithmetic Reasoning
Difficulty: Easy
Choose an option
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A1 day
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B4 days
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C40 days
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D100 days
Answer
Correct Answer: 100 days
Explanation
InterpretationIf 100 cats kill 100 mice in 100 days, then each cat kills 1 mouse in 100 days (rates scale linearly with both cats and mice).
Apply proportionality4 cats killing 4 mice ⇒ effectively 1 cat per mouse, each requiring 100 days.
Final Answer100 days