Question

a stove can boil a litre of water in 15 minutes another stove which is 20% more efficient will boil 1 ltr of water in

Answer 1

More efficient will boil In more then 15 minute. thanyou.

Answer 2

Answer:

Time taken by 2nd stove to boil 1 liter of water is 12 minutes.

Step-by-step explanation:

We are given that,

1st stove can boil a liter of water in 15 minutes.

2nd stove can boil with 20% more efficient.

To find: Time taken by 2nd stove to boil 1 liter of water.

20% more efficient = 20% of 15 minutes = 20/100 × 15 = 3 minutes

So, 2nd stove boil water  in 3 minute less = 15 - 3 = 12 minutes.

Therefore,Time taken by 2nd stove to boil 1 liter of water is 12 minutes.