Question

Two persons A and B are walking with speec
4 km/h and 5 km/h respectively in the same di
rection. How far will B be from A after 3 hours:
(1) 2 km
(2) 1 km
(3) 4 km
(4) 3 kmz​

Answer 1

Answer:

2km

Explanation:

speed of a =4km/h so in 3h 4x3=12

speed of b =5km/h so in 3h 5x3=15

so 15-13=2

Answer 2

Answer:

Explanation:

Option d

Distance travelled by B after 3hrs=3*5=15km

Distance travelled by A after 3 hours=3*4=12km

Difference=3km