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If 4/5 of a water tank is filled in 1...

If `4/5` of a water tank is filled in 1 hour, how much time will be required to fill the rest of it? 20 minutes (b) 15 minutes 12 minutes (d) 10 minutes

A

20 seconds

B

15 seconds

C

12 seconds

D

10 seconds

Text Solution

Verified by Experts

The correct Answer is:
A
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