Question

Three tapes a bc can fill a tank in 8 hours after 3 hours 'c is closed and tap a b can full in 6 hours in what time tap c alone can fill​

Answer 1

Answer:

Step-by-step explanation:

It can be done very easily by LCM method. Let capacity of cistern be 24 units LCM of 6, 2 , 8. Then according to question

A+B+C fills 4 units per hour. hence in 2 hours of operation they fill 8 units.

remaining units 24–8 = 16, which A+B fills in 8 hours means A+B fills 2 units per hour. hence it is clear that C fills 2 units per hour. So C will fill the cisterns i.e. 24 units in 24/2 = 12 Hours.

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