Question

2. A car covers 30 km in the first 1 hour and covers 90 km in the next 3 hours. Find its average speed.​

Answer 1

jub aata nahi tha tub bola kyu pagal aab suno mera answer padha karo samja aab dekho mera answer. Direction is opposite so

Velocity v=108+36=144 km/hr

v=144/60 km/min

v= 2.4 km/min

D=S×T

T=20 min (given)

So D=2.4×20

D=48 km