Maths MCQs for AD (ASF)

Q111. A train 150 m long crosses a pole in 15 seconds. Find its speed in km/hr.

• A) 40 km/hr
• B) 30 km/hr
• C) 36 km/hr
• D) None of these

Q112. A train 240 m long is running at 72 km/hr. In what time will it cross a platform 160 m long?

• A) 20 seconds
• B) 22 seconds
• C) 18 seconds
• D) None of these

Q113. Two trains, 130 m and 110 m long, run in opposite directions on parallel tracks at 42 km/hr and 30 km/hr. Find the time taken by them to cross each other.

• A) 14 seconds
• B) 10 seconds
• C) 12 seconds
• D) None of these

Q114. A boat goes 24 km upstream in 6 hours and returns downstream in 4 hours. Find the speed of the boat in still water.

• A) 4 km/hr
• B) 6 km/hr
• C) 5 km/hr
• D) None of these

Q115. A man rows a boat 20 km upstream in 4 hours and 20 km downstream in 2 hours. Find the speed of the stream.

• A) 3 km/hr
• B) 2.5 km/hr
• C) 2 km/hr
• D) None of these

Q116. A car covers a distance of 300 km at a certain speed. Had the speed been 10 km/hr more, it would have taken 1 hour less. Find the original speed.

• A) 50 km/hr
• B) 45 km/hr
• C) 55 km/hr
• D) None of these

Q117. A person travels 60 km at a speed of 20 km/hr and then travels the same distance at 30 km/hr. Find his average speed for the whole journey.

• A) 25 km/hr
• B) 22 km/hr
• C) 24 km/hr
• D) None of these

Q118. Two cyclists start from the same point and ride in opposite directions, one at 12 km/hr and the other at 15 km/hr. In how many hours will they be 108 km apart?

• A) 3 hours
• B) 4 hours
• C) 5 hours
• D) None of these

Q119. A man walking at 5 km/hr crosses a bridge in 15 minutes. Find the length of the bridge in metres.

• A) 1300 m
• B) 1250 m
• C) 1200 m
• D) None of these

Q120. A thief is spotted by a policeman from a distance of 200 m. When the chase starts, the thief also starts running. If the thief’s speed is 10 km/hr and the policeman’s is 12 km/hr, find the distance the thief runs before being caught.

• A) 900 m
• B) 1000 m
• C) 1100 m
• D) None of these