Aptitude Questions

1.	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 Answer & Explanation Answer: Option B Explanation: Speed = 600 m/sec. 5 x 60    = 2 m/sec. Converting m/sec to km/hr (see important formulas section)    = 2 x 18 km/hr 5    = 7.2 km/hr. Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer Workspace Report Discuss in Forum

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2.

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

A. 300 kmph B. 360 kmph C. 600 kmph D. 720 kmph Answer & Explanation Answer: Option D Explanation: Distance = (240 x 5) = 1200 km. Speed = Distance/Time Speed = 1200/(5/3) km/hr.     [We can write 1 hours as 5/3 hours] Required speed = 1200 x 3 km/hr = 720 km/hr. 5 Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer Workspace Report Discuss in Forum

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3.	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 Answer & Explanation Answer: Option A Explanation: Let the actual distance travelled be x km. Then, x = x + 20 10 14 14x = 10x + 200 4x = 200 x = 50 km. Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer Workspace Report Discuss in Forum

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4.	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 Answer & Explanation Answer: Option C Explanation: Let speed of the car be x kmph. Then, speed of the train = 150 x = 3 x kmph. 100 2 75 - 75 = 125 x (3/2)x 10 x 60 75 - 50 = 5 x x 24 x = 25 x24 = 120 kmph. 5 Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer Workspace Report Discuss in Forum

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5.	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 Answer & Explanation Answer: Option B Explanation: Due to stoppages, it covers 9 km less. Time taken to cover 9 km = 9 x 60 min = 10 min. 54 Workspace Report Errors Kindly mention the details of the error here... [Your Name] [Your Email] View Answer Workspace Report Discuss in Forum