Question : A man covers half part of a certain distance at 60 km/hr. He covers 40% of the remaining distance at the speed of 12 km/hr and covers the rest of the distance at the speed of 18 km/hr. What is his average speed for the entire journey?

Option 1: 24 km/hr

Option 2: $\frac{58}{3}$ km/hr

Option 3: 36 km/hr

Option 4: 40 km/hr

Question : A man covers half part of a certain distance at 35 km/hr. He covers 40 percent of the remaining distance at the speed of 8 km/hr and covers the rest of the distance at the speed of 18 km/hr. What is his average speed for the entire journey?

Option 1: $\frac{920}{47}$ km/hr

Option 2: $\frac{680}{47}$ km/hr

Option 3: $\frac{840}{47}$ km/hr

Option 4: $\frac{760}{47}$ km/hr

Question : A man covers half part of a certain distance at 25 km/hr. He covers 40% of the remaining distance at the speed of 8 km/hr and covers the rest of the distance at the speed of 18 km/hr. What is his average speed for the entire journey?

Option 1: $\frac{650}{37}$ km/hr

Option 2: $\frac{540}{37}$ km/hr

Option 3: $\frac{600}{37}$ km/hr

Option 4: $\frac{480}{37}$ km/hr

Question : If a person travels a certain distance at a speed of 10 km/h and returns through the same route at a speed of 20 km/h, then what will be the average speed during the whole journey?

Option 1: $\frac{40}{3}$ km/h

Option 2: 15 km/h

Option 3: $\frac{10}{3}$ km/h

Option 4: $\frac{20}{3}$ km/h

Question : A man covers half part of a certain distance at 15 km/hr. He covers 40 percent of the remaining distance at the speed of 12 km/hr and covers the rest of the distance at the speed of 21 km/hr. What is his average speed for the entire journey?

Option 1: $\frac{140}{9}$ km/hr

Option 2: $15$ km/hr

Option 3: $\frac{164}{9}$ km/hr

Option 4: $\frac{139}{9}$ km/hr