EASY
CAT
IMPORTANT
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Difference between time taken in covering a certain journey decreases by 45 min when speed is increased to 20 km/h from 10 km/h. What is the difference between the time taken when the same distance is covered at a speed of 40 km/h and 25 km/h?

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Important Questions on Arithmetic

EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 3
Shramjeevi Express goes to Patna from New Delhi at a speed of 60 km/h. At what speed (in km/h) should Shramjeevi Express return from Patna to New Delhi so that average speed during the whole journey is 120 km/h?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 4
Sona travels 600600 km to her home partly by train and partly by car. She takes 8 h if she travels 120 km by train and the rest by car. She takes 20 min more if she travels 200 km by train and the rest by car. Find the speed of the train in km/h.
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 5
Sama travelled half the distance from her house to school at a speed of 10 km/h and for exactly half of the remaining time she travelled at 15 km/h and the rest of the time at 20 km/h. Find her average speed.
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 7
A train travels a distance of 192 km at an average speed of 80 km/h from station P to another station Q. It then travels back to P taking 5 h 36 min. Find the average speed of the train on the return journey to P.
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 11
In 11 h, C  walks 12.5 km less than what D does in 12 h; and in 5 h, D walks 3.25 km less than what C does in 7 h. How many kilometre does each walk per hour?
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 15
A man rows a boat a certain distance upstream and then returns to the same place. If the time taken by him in going upstream is twice the time taken in rowing downstream, find the ratio of the speed of the boat in still water and the speed of the stream.
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 16
Excluding stoppages, the speed of a bus is 54 km/h and including stoppages it is 45 km/h. What is the stoppage time of the bus (in min) per h?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 17
For covering a distance of P km, a man takes t h. He takes 40 min less if he moves 3 km/h faster, But if he moves slower by 2 km/h, he takes 40 min more. Then, P is equal to: