Question

19. From a water tank 100 litres of water is used every day. After 10 days there is 2000
fitres of water in the tank. How much water was there in the tank before 10 days?
20. A dog is climbing down in to a well to drink water. In each jump it goes down 4 steps​

Answer 1

Answer:

19. 3000 l

hope it is useful

Answer 2

Answer:

19. 1000 litres

Step-by-step explanation:

Question number 20 is not written corectly

19. 100 litres used every day

after 10 days 2000 liters water in tank then

before 10 days water in tank =

$100 \times 10 - 2000 = 1000$