The cost of a car is 400% greater than the cost of a bike. If there is an increase in the cost of the car is 15% and that of bike 20%. Then the total increase in the cost of the 5 cars and 10 bikes is:

• ক 0.175
• খ 0.185
• গ 0.1825
• ঘ 16.37 % ✅ সঠিক উত্তর