Question

If 3 1/2 litre petrol costs rupees 270 3/8, then find the cost of 4litre petrol​

Answer 1

Answer:

first convert mixed fraction into improper fraction

3 1/2 = 7/2

270 3/8 = 2163/8

find the cost of 1 litre petrol is

= 2163/8 ÷ 7/2

= 2163/8 × 2/7

= (2163÷7) / (8÷2)

= 309/ 4 rupees

then, cost of 4 litre petrol is

= 309/4 × 4

= 309/(4÷4)

= 309/1

= 309 rupees

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