EASY
CAT
IMPORTANT
Earn 100

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.

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Important Questions on Arithmetic

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.
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 18
Two trains start at the same time from A and B and proceed towards B and A at 36 km/h and 42 km/h, respectively. When they meet, it is found that one train has moved 48 km more than the other. Then, the distance between A and B (in km) is:
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 22
A and B start at the same time from P and Q (55 km apart) to Q and P at 3 and 212 km/h respectively. They meet at R and then reach Q and P to return immediately and meet again at S. The distance from R to S is:
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 24
X, Y, and Z walk at 6,12, and 18 km/h, respectively. They start from Jhumritalaiya towards Delhi at 2,5, and 7pm, respectively, when Y catches up with X, Y sends X back with a message to Z, when will Z get the message?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 25
A train 75 m long overtook a person who was walking at the speed of 6 km/h in the opposite direction and passed him in 712 s. Subsequently, it overtook a second person, walking in the same direction as the first person and passed him in 634 s. At what rate was the second person travelling?
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 26
A boy rows a boat against a stream flowing at 2 kmph for a distance of 9 km, and then turns round and rows back with the current. If the whole trip occupies 6 hours, find the boy's rowing speed in still water?
MEDIUM
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 27
A man walked 12 km at a certain rate, and then, 6 km farther at a rate of 12 km/h faster. If he had walked the whole distance at a faster rate, his time would have been 20 min less. How long did he really take to walk the distance of 18 km? 
EASY
CAT
IMPORTANT
Quantitative Aptitude for the CAT>Chapter 2 - Arithmetic>Practice Exercises>Q 28
Shramjeevi Express leaves Patna for New Delhi at 10:10 am and reaches New Delhi at 3:30 pm. Magadh Express leaves New Delhi at 9:48 am and reaches Patna at 2:36 pm . If routes of both the trains are the same, then at what time will both the trains meet each other?