**Answer 3**

Step-by-step explanation: Water filled in 20 second = 200 liters Water filled in 1 second = 200 / 20 = 10 liters The flow rate of the pump is 10 liters per second. Hope it will help

**Answer 2**

flow rate=10 litres per every second Step-by-step explanation:

**Answer 4**

The rate is 10 litres per second

**Answer 1**

10 litre per second Explanation: 200/20 = 10