Question

if 3½ litre of petrol costs ₹270⅜ then find the cost of 4 litre of petrol​​

Answer 1

Answer:

rs. 309

Step-by-step explanation:

Answer:

Rs.309

Step-by-step explanation:

Given : 3\frac{1}{2}3

2

1

liter of petrol costs rs 270\frac{3}{8}270

8

3

To Find: find the cost of 4 liter

Solution:

3\frac{1}{2}3

2

1

= \frac{7}{2}

2

7

270\frac{3}{8}270

8

3

= \frac{2163}{8}

8

2163

So, Cost of \frac{7}{2}

2

7

liter petrol = Rs.\frac{2163}{8}

8

2163

Cost of 1 liter petrol = Rs.\frac{\frac{2163}{8}}{\frac{7}{2}}

2

7

8

2163

= Rs.\frac{309}{4}

4

309

So, Cost of 4 liter petrol = Rs.\frac{309}{4} \times 4

4

309

×4 =Rs. 309

Hence the cost of 4 liter petrol is Rs.309