Two motors can fill a water tank in 2 hours together.After filling the tank for 1 hour with one motor,the remaining part of tank is filled in 80 minutes with both motors.then find the time taken to fill the tank by each motor individually.
Plz give answer with explanation.....
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add the time taken for filling 1st tank
add the time taken for filling 2nd tank
add the time taken for filling 2nd tank
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