Time Speed and Distance

A man can row 7 ½ km/hr in still water. If in a river running at 1.5 km an hour, it takes him 50 minutes to row to a place and back, how far off is the place?

• 2 km

• 4 km

• 2.5 km

• 3 km

A man can reach a certain place in 20 hours. If he reduces his speed by 1/12th, he goes 15km less in that time. Find his speed per hour?

• 8

• 9

• 10

• 11

A train takes 18 seconds to pass through a platform 162 m long and 15 seconds to pass through another platform 120 m long. The length of the train(in m) is?

• 80

• 100

• 90

• 70

Q.How many balls are there?

• 24

• 30

• 16

• 9

When Sourav increases his speed from 20 Km/hr to 25 Km/hr, he takes one hour less than the usual time to cover a certain distance. What is the distance usually covered by him?

• 80km

• 100km

• 120km

• 140km

A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for the both the trips?

• 35kmph

• 40kmph

• 48 kmph

• 60kmph

Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is:

• 50m

• 60m

• 75m

• 100m

Which word in the dictionary is always spelled incorrectly?

A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water (in km/hr)?

• 4 km/hr

• 6 km/hr

• 3 km/hr

• 5 km/hr

Excluding stoppages,

the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how

many minutes does the bus stop per hour?

• 9 min

• 10 min

• 12 min

• 14 min