Question

a bus leaves Patna bus stop at 36km/h.30 minutes later a car leaves the bus stop at 50km/h at what distance from the bus stop will the the bus and the car meet

Answer 1

Answer:

Step-by-step explanation:

The distance between two cities P and Q is 300km. A train starts from station P at 10 am with speed 80 km/hr towards Q. Another train starts from Q towards P with speed 40km/hr at 11 am . At what time do they meet.

a) 12.20pm

b) 12.40 pm

c) 12.50 pm

d) 1 pm

Answer & Solution

Answer – c) 12.50 pm

Solution:

First train starts at 10am so in one hour it covers 80 km in one hour. Now distance b/w P and Q is 220. Suppose at some’ x’ km they meet. So,

x/80 = (220-x)/40

x = 440/3.

The time after which they meet = (440/3)/80 = 11/6 i.e = 1hr 50 min.