Question

Seema travelled a certain distance in 2 hours. She travelled this distance partly by car and partly by bus . The speed of the bus is half of the speed of the car . If the distance travelled by car is 48 km and distance travelled by bus is 36 km. What is the distance between the speed of the bus and the car?

Answer 1

Speed of bus= x
Then speed of car= 2x
Distance travelled by bus= 36 km
similarly for car= 48 km
So calculate the time taken by each car and bus using the formula
: speed= dist/ time
Add both the time and equate it with 2
You will get the ans.
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Answer 2

let the speed of bus be x
speed of car = 2x
distance travelled by car =48 km
distance travelled by bus= 36 km
time taken by car and bus = 48/2x and 36/x
48/2x+ 36/ x=2 hr
24/x+36/x=2
60/x=2
x=30
speed of car = 60km/h
speed of bus = 40km/hr.
.