# Arithmetic Aptitude Numerical Questions and Answers

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A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

A. 3.6
B. 7.2
C. 8.4
D. 10

Explanation:

An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 2/3 hours, it must travel at a speed of:

A. 300 kmph
B. 360 kmph
C. 600 kmph
D. 720 kmph

Explanation: Distance = (240 x 5) = 1200 km.

Speed = Distance/Time

Speed = 1200/(5/3) km/hr. [We can write 1 2/3 hours as 5/3 hours]

Required speed = 1200 x 3/5 km/hr = 720 km/hr.

If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:

A. 50 km
B. 56 km
C. 70 km
D. 80 km

Explanation: Let the actual distance travelled be x km.

Then, x/10 = (x + 20)/14

14x = 10x + 200

4x = 200

x = 50 km

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:

A. 100 kmph
B. 110 kmph
C. 120 kmph
D. 130 kmph

Explanation:

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?

A. 9
B. 10
C. 12
D. 20

Explanation: Due to stoppages, it covers 9 km less.

Time taken to cover 9 km = (9/54 x 60) min = 10 min.

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