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In a kilometre race, A beats B by 10m. In a 2km race, A beats B by:

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Important Questions on Arithmetic

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A train, 225m long, is running at 45km/h. In what time does it cross a man running at 18km/h in the same direction?
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Two trains started from a station, at the same time in the same direction, at speeds of 70 km/h and 60 km/h. What will be the distance between the two trains after 6 h?
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A man can row 1/2 km against the current in 12 min and returns in 6 min. Find the speed of the current.
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In a km race, Amit beats Bahadur by 100 m and Bahadur beats Chandra by 200 m. By how many metres does Amit beat Chandra in the same race?
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On a river, Q is the mid-point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 h, from P to R in 16 h 40 min. How long would it take to go from R to P?
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Two trains are running on parallel lines in the same direction at the speed of 50 km/h and 30 km/h, respectively. Given that the faster train crosses a man in the slower train in 18 s, what is the length of the faster train?
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In a kilometre race, Ajay beats Bijay by 100 m and Bijay beats Chand by 100 m. By how many m does Ajay beat Chand in the same race?
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Two persons are walking with the speed A and B, respectively. If the first person takes 10 min less to cover a distance, what is the time taken by the second person to cover the same distance provided A:B=3:2?