A

Admin • 825.56K Points
Coach

Q. Two pipes can fill a tank in 24 and 36 hours respectively. How long will they take to fill the tank together?

  • (A) 12 hours
  • (B) 14.4 hours
  • (C) 18 hours
  • (D) 20 hours
Explanation by: Admin
1/24 + 1/36 = 5/72 → time = 72/5 = 14.4 hours.

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