Cost of a car is Rs 2,50,000 and that of a motorbike is Rs 50,000. The ratio of cost of car to the bike is:
15 : 5
25 : 1
1 : 5
5 : 1
The purchasing cost of a motorbike by a showroom was Rs. 80,000. The owner then sold this bike at Rs. 60,000. Find the percentage of profit or loss.
When the cost of a used car was increased in the ratio 11:13, its cost became Rs 39,000. Find the original cost of the car.