Karan buys petrol at Rs.8, Rs.7.50 and Rs.8.50 per litre for three successive years. What is the approximate average cost per litre of petrol if he spends Rs.4000 on petrol each year?

7.98

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

8.28

No worries! We‘ve got your back. Try BYJU‘S free classes today!

8.84

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7.88

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
7.98

Total amount spent = Rs.(3 x 4000) = Rs.12000.

Average cost = $\frac{12000}{(\frac{4000}{8}) + (\frac{4000}{7.5}) + (\frac{4000}{8.5})}$ = $\frac{6120}{767}$ = Rs.7.98

Suggest Corrections

Similar questions

Q. A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year?

Q. A car owner buys petrol at

R s . 7.50, R s . 8

and

8.50

per litre for three successive years. What approximately is the average cost per litre of petrol if he spends

R s . 4000

each year?

Q. A car owner buys petrol at Rs.

7.50

, Rs.

8.00

and Rs.

8.50

per litter for

3

successive years. If he spends Rs.

4000

each year , then the average cost per litter of petrol is

Q. A car owner buys petrol at the rate of Rs. 11, Rs. 12 and Rs. 13 for three consecutive years. What approximately is the cost per litre of petrol if he spends 6000 on petrol each year?

A truck owner buys diesel at Rs.5, Rs. 8 and Rs. 10 per litre for three successive years. What approximately is the average cost per litre of diesel if he spends Rs. 4000 each year?

Join BYJU'S Learning Program

Karan buys petrol at Rs.8, Rs.7.50 and Rs.8.50 per litre for three successive years. What is the approximate average cost per litre of petrol if he spends Rs.4000 on petrol each year?

The correct option is A 7.98 Total amount spent = Rs.(3 x 4000) = Rs.12000. Average cost = 12000(40008)+(40007.5)+(40008.5) = 6120767 = Rs.7.98

The correct option is A
7.98

Total amount spent = Rs.(3 x 4000) = Rs.12000.

Average cost = $\frac{12000}{(\frac{4000}{8}) + (\frac{4000}{7.5}) + (\frac{4000}{8.5})}$ = $\frac{6120}{767}$ = Rs.7.98