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SSC CGL Tier 2 Exam 21 Sep 2014 Paper
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© examsnet.com
Question : 90
Total: 100
A car driver leaves Bangalore at 8.30 A.M. and expects to reach a place 300 km from Bangalore at 12.30 P.M. At 10.30 he finds that he has covered only 40% of the distance. By how much he has to increase the speed of the car in order to keep up his schedule?
45 km/hr
40 km/hr
35 km/hr
30 km/hr
Validate
Solution:
(4) Distance covered by car in 2 hours
=
300
×
40
100
=
120
k
m
Remaining distance = 300 – 120 = 180 km
Remaining time = 4 – 2 = 2 hours
∴Required speed
=
180
2
= 90 kmph
Original speed of car
=
120
2
= 60 kmph
∴ Required increase in speed = 90 – 60 = 30 kmph
© examsnet.com
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