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 : During a journey, a person travels half of the distance at a speed of 18 km/h and the remaining half of the journey at a speed of 22 km/h. What is his average speed for the entire journey?

Option 1: 21.4 km/h

Option 2: 20.2 km/h

Option 3: 19.2 km/h

Option 4: 19.8 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

Question : Aman goes from A to B at a speed of 40 km/h. Using the same route, he comes back from B to A, at a speed of 55 km/h. What is his approximate average speed for the whole journey?

Option 1: 47.5 km/h

Option 2: 48.11 km/h

Option 3: 46.32 km/h

Option 4: 46.24 km/h

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 : While going to the office, Sneha travels at a speed of 10 km/hr and on her way back, she travels at a speed of 15 km/hr. What is her average speed for the whole journey?

Option 1: 14 km/hr

Option 2: 12 km/hr

Option 3: 11 km/hr

Option 4: 13 km/hr