A car started running at a speed of 29 km/hr and the speed of the car was increased by 2 km/hr at ...
A car started running at a speed of 29 km/hr and the speed of the car was increased by 2 km/hr at the end of every hour. Find the total distance covered by the car in the first 10 hours of the journey.
Answer/Solution
41 km
Steps/Work
A
41 km
The total distance covered by the car in the first 10 hours = 32 + 34 + 36 + 38 + 40 + 42 + 44 + 46 + 48 + 50 = sum of 10 terms in AP whose first term is 32 and last term is 50 = 10/2 [32 + 50] = 410 km.
41 km
The total distance covered by the car in the first 10 hours = 32 + 34 + 36 + 38 + 40 + 42 + 44 + 46 + 48 + 50 = sum of 10 terms in AP whose first term is 32 and last term is 50 = 10/2 [32 + 50] = 410 km.