if A and B tap fills a tank in 25 minutes. if the B tap is opened for the last 10 minutes then the tank is filled in 30 minutes so

1 thought on “if A and B tap fills a tank in 25 minutes. if the B tap is opened for the last 10 minutes then the tank is filled in 30 minutes so”

1. Answer:

   Tap A takes 60 mins to fill the tank. So A fills (1/60)th of the tank in 1 minute.

   Tap B takes 25 mins to fill the tank. So A fills (1/25)th of the tank in 1 minute.

   Tap C takes 15 mins to fill the tank. So A fills (1/15)th of the tank in 1 minute.

   The LCM of 60, 25 and 15 is found as

   15 = 3×5

   25 = 5×5

   60 = 2x2x3x5

   LCM is 2x2x3x5x5 = 300.

   So A, B and C, all three together fill (1/60) + (1/25)+(1/15) or (5/300)+(12/300)+(20/300) = 37/300 th of the tank in 1 minute.

   So the three taps, A, B and C will fill the tank in 300/37 = 8.108108108 min.

   Step-by-step explanation:

   mark as brain list pls

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