Question

The cost of 1 litres petrol is Rs 78.25 find the cost of 6.5 litres of petrol
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Answer 1

Answer:

cost of 1 ltd petrol = 78.5

cost of 6.5 ltr petrol = 78.5×6.5

= 510.25 Rs

Answer = 510.25 Rs

Answer 2

Cost of one liter petrol is 78.25

Suppose the cost of 6.5 liter petrol is x

Then,

1=78.25

6.5=x

1/78.25=6.5/x

1 /x=1/ 78.25*6.5

1 /x=1/508.625

x=508.625

Hence, the cost of 6.5 liter petrol is 508.625