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Speed Time and Distance ( 16 to 20 ):
APTITUDE QUESTIONS (SPEED TIME AND DISTANCE):
16. Three persons are walking from a place X to another place Y. Their speeds are in the ratio of 3: 4: 5. The time ratio to reach Y by these persons will be:
A) 4 : 3: 5
B) 5 : 3 :4
C) 15 : 9 : 20
D) 20 : 15 : 12
E) None of these
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17. A and B women start together to walk to a particular destination, one at 3 kmph and another at 3.75 kmph respectively. Then, the latter arrives half an hour before the former. The distance is:
A) 6 km
B) 7.5 km
C) 8 km
D) 9.5 km
E) None of these
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18. 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) 66 km
C) 90 km
D) 80 km
E) None of these
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19. X is twice as fast as Y and Y is thrice as fast as Z is. The journey covered by Z in 54 minutes will be covered by Y in:
A) 18 min
B) 27 min
C) 38 min
D) 9 min
E) None of these
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20. Two men starting from the same place walk at the rate of 5 kmph and 5.5 kmph respectively. How much time will they take to be 8.5 km apart, if they walk in the same direction?
A) 4 hrs
B) 8 hrs
C) 16 hrs
D) 17 hrs
E) None of these
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