A 2,000 kg truck moving at 10 m/s strikes a car waiting at a traffic light. After collision, the two move together at 8 m/s. The mass of the car is __.
What amount will Jatin get at the end of 3 years if he has invested ₹5000 and the rate of interest is 4% for the first year, 3% for the second year and 2% for the third year?