Question

. The price of petrol is RUPEES 64 per litre. If theprice is increased in the ratio 4:5, then find
the new price of petrol.


please answer this with step by step explaination.
class 7
RATIO CHAPTER
ICSE BOARD ​

Answer 1

Answer:

Let the required ratio of diesel to petrol be 1:x

According to question , (70×1+40×x)  

4

5

​  

= 75× (x+1)

Solving we get x=  

2

1

​  

 

So Ratio of diesel to petrol = 2:1