A car starts with a speed of 60 km/h with its speed increasing every one hour by 5 km/h. In how many hours will it cover 435 kms?
Answers
Answered by
0
Answer:
Distance covered in the first 2 hours = (70 x 2) km = 140 km
Distance covered in the next 2 hours = (80 x 2) km = 160 km
Remaining distance = 345 - (140 + 160) = 45 km Now, speed in the fifth hour = 90 km/hr
∴ Time taken to cover 45 km = (
90
45
)hr=
2
1
hr
∴ Total time taken = (2+2+
2
1
)hr=4
2
1
hrs
Answer
Similar questions