X and Y are two towns. Ganesh covers the distance from X to Y at an average speed of 44 Km/hr. However, he covers the distance from Y to X at an average speed of 36 Km/hr. His average speed during the whole journey in km/hr. is : Choose the most appropriate option:
A) 39.6	B) 43	C) 40	D) 38	E) 29
Solution: 39.6verage speed = 2XY / X+Y   = 2*44*36 / 44+36   = 39.6   39.6nswer : 39.6
<result>A</result>
X and Y are two towns. Ganesh covers the distance from X to Y at an average speed of 44 Km/hr. However, he covers the distance from Y to X at an average speed of 36 Km/hr. His average speed during the whole journey in km/hr. is :