A car owner buys petrol at Rs 17, Rs 19 and Rs 20 per litre for three consecutive years. Compute the average cost per litre, if he spends Rs 6460 per year. (a) Rs 18.49    (b) Rs 18.58    (c) Rs 19.2    (d) Rs 21.66

A car owner buys petrol at 7.50, 8.00 and 8.50 per litre for three successive years. What approximately is his average cost per litre of petrol if he spends 4000 each year?

A car owner buys petrol at Rs. 40, Rs. 50 and Rs.60 per litre for 3 consecutive years. If he spends Rs. 30,000 each year, what is the average cost of a litre of petrol ? (correct to two decimal places)

The cost of fencing a circular garden of radius 21 m at Rs 10 per metre is (a)Rs 1320 (b) Rs 132 (c)Rs 1200 (d) Rs 660

The owner of a bike buys petrol at the rate of Rs. 64, Rs. 80 and Rs. 320 per litre for three consecutive years. If he spends Rs. 32000 on petrol every year, then what is the average price of petrol per litre ? एक बाइक का मालिक लगातार 3 वर्षों तक क्रमश: रु 64, रु 80 और रु 320 प्रति लीटर के हिसाब से पेट्रोल खरीदता है | यदि वह पेट्रोल खरीदने में हर वर्ष रु 32000 खर्च करता है, तो पेट्रोल का प्रति लीटर औसत मूल्य कितना है ?

The simple interest for Rs 1500 at 8% per annum for 3 years is (a) Rs 400 (b) Rs 360 (c) Rs 450 (d) Rs 500

The simple interest for Rs 1500 at 8% per annum for 3 years is (a) Rs 400 (b) Rs 360 (c) Rs 450 (d) Rs 500

The simple interest on Rs 10 for 4 months at the rate of 3 paise per rupee per month is (a) Rs 1.20 (b) Rs 1.60 (c) Rs 2.40 (d) Rs 3.60

What is the present worth of Rs 132 due in 2 years at 5% simple interest per annum? (a) Rs 112 (b) Rs 118.80 (c) Rs 120 (d) Rs 122

The cost of fencing a circular garden of radius 21 m at Rs 10 per metre is (a)Rs 1320 (b) Rs 132 (b)Rs 1200 (d) Rs 660

The cost of Type 1rice is Rs 15 per kg and Type 2 rice is Rs 20 per kg.If both Type 1 and Type 2 are mixed in the ratio of 2:3, then the price per kg of the mixed variety of rice is (a) Rs 18 (b) Rs 18.50 (c) Rs 19 (d) Rs 19.50