Question

if 12 pipes fill a tank in 2 hours , then 10 pipes fill it in

i) 1 hour
ii) 1 hour 20 minutes
iii) 2 hour 30 minutes
iv)2hours 24 minutes ​

Answer 1

Answer:

it answer is (number 2) 1 hour 20 minutes

Step-by-step explanation:

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Answer 2

Answer:

iv option is correct

Step-by-step explanation:

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