Question:medium

A person A can complete a work in 12 minutes. The persons B and C are respectively 25% and $33\frac{1}{3}%$ more efficient than A. If all three work together, the number of minutes they take to complete the work is _____.

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Convert efficiency changes into fractions first, then add rates.
Updated On: Apr 23, 2026
  • 29 minutes
  • 24 minutes
  • $\frac{72}{23}$ minutes
  • $\frac{89}{32}$ minutes
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The Correct Option is C

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