Question

please give me correct answer with solution​

Answer 1

Answer:

answer of 1st question is 80:900

because 9 rupees can be written as 900 paise

after simplification 4:45

so the answer of 1st question in simplest form becomes 4:45

2nd Answer --4:48

because 2 days consists of 48 hours

after simplification answer becomes 1:12

so the final answer in simplest form becomes 1:12

I hope I am clear to you @allua

Answer 2

While calculating ratio the values must be in same units.

1) 80p : Rs.9

1 rupee = 100p

∴9 rupee = 900p

80p : 900p

80 : 900

⇒ 4 : 45

2) 4hrs : 2 days

1 day = 24 hrs

∴2 days = 48 hrs

4hrs : 48 hrs

4 : 48

⇒ 1 : 12

Hope, it might help you.

Have a great day. :D