Question

liv
m/s
10. A car moves with a speed of 40 km/h for 15 minutes and then with a
speed of 60 km/h for the next 15 minutes. The total distance covered by
the car is:
(i) 100 km
25 km
(iii) 15 km
(iv) 10 km​

Answer 1

Answer:

25 km

change minute into hour

Answer 2

Answer:

for first 15 minutes

60 minute = 40 km

1 minute = 40/60

15 minutes=(40/60)*15

=10 km

for second 15 minutes

60 minute = 60 km

1 minute = 60/60

15 minutes=(60/60)*15

=15 km

total distance travelled= 10+15

= 25 km