Question : Monika took a non-stop flight to visit her grandparents. The 650 km trip took 1 hour and 30 minutes. Because of the bad weather, the return trip took 2 hours and 30 minutes. What was her average speed for the round trip?

Option 1: 1300 kmph

Option 2: 550 kmph

Option 3: 325 kmph

Option 4: 690 kmph

Question : Walking at the speed of 5 km/hr, a man covers a certain distance in 3 hours. Running at a speed of 15 km/hr the man will cover the same distance in:

Option 1: 2 hours

Option 2: 1 hour

Option 3: 30 minutes

Option 4: 1 hour 30 minutes

Question : Walking at the speed of 8 km/hr, a man covers a certain distance in 2 hours 30 minutes. Running at a speed of 10 km/hr, the man will cover the same distance in:

Option 1: 2 hours 10 minutes

Option 2: 1 hour

Option 3: 1 hour 45 minutes

Option 4: 2 hours

Question : An auto-rickshaw travels 20 km from point P to Q and then 25 km from Q to R. The total time taken was 1 hour 30 minutes. What was the average speed of the auto-rickshaw?

Option 1: 15 km/hr

Option 2: 30 km/hr

Option 3: 45 km/hr

Option 4: 60 km/hr

Question : A person covers the first 30 km in 60 minutes and the next 40 km in 30 minutes. What is his average speed for the whole journey?

Option 1: $\frac{140}{3}$ km/hr

Option 2: 30 km/hr

Option 3: $\frac{160}{3}$ km/hr

Option 4: 60 km/hr

Question : A girl, walking at $\frac{5}{6}$ of her usual speed, misses the bus by 7 minutes. How long does it usually take to reach the bus stop?

Option 1: 24 minutes

Option 2: 35 minutes

Option 3: 30 minutes

Option 4: 60 minutes