Question

- The cost of 5 litres of petrol is Rs 540. a) Find the cost of 12 l of petrol b) How much petrol can be bought for Rs 972?​

Answer 1

Answer:

1) Rs.1296

2) 9 LITRES

Step-by-step explanation:

COST OF FIVE LITRES OF PETROL= Rs. 540

COST OF 1 LITRE OF PETROL=

$\frac{540}{5}$

=Rs. 108

THEN WE HAVE TO FIND

1) COST OF 12 LITRES OF PETROL

=12×108

= Rs. 1296

2)LITRES OF PETROL CAN BE BOUGHT FOR Rs. 972

=

$\frac{972}{12}$

=9 LITRES

Answer 2

Answer:

$cost \: of \: one \: liter \: = 540 \div 5 = 108 \\ cost \: of \: 12 \: liter \: = 12 \times 108 = 1296 \\ \\ petrol \: of \: ruppes \: 972 = 972 \div 108 = 9 \\ we \: got \: 9 \: liter \: petrol$