It takes Machine A 32 minutes to fill a water tank.Another Machine B takes 6 minutes to fill the same water tank. If both machines are put to work , how long would it take to fill same water tank? Answers:
A) 3.0 minutes B) 4.5 minutes C) 5.1 minutes D) 6.0 minutes E) 6.5 minutes
By guess it is clear that the time taken will be less than 6 minutes and around 5 Therefore, answer 5.1 minutes will be correct. Answer-5.1 minutes
<result>C</result>
It takes Machine A 32 minutes to fill a water tank.Another Machine B takes 6 minutes to fill the same water tank. If both machines are put to work , how long would it take to fill same water tank?