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RRB RPF RPSF SI and CONS Model Papers 6 with solutions
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© examsnet.com
Question : 49
Total: 120
Shiva is going for a meeting in an office 60 km away. He has to reach in 1 hour. However, due to traffic jam, he could drive only at 30 km/h for the first 20 minutes. The road is now clear. At what speed should Shiva drive to reach the destination in time?
45 km/h
60 km/h
80 km/h
75 km/h
Validate
Solution:
(4) Distance travelled by Shiva in 20 min
=
30
×
20
60
k
m
=
10
k
m
Distance left to be travelled = (60 – 10) km = 50 km
And time left to cover the remaining distance = 1 h – 20 min =
2
3
h
∴ Required speed
50
2
3
=
75
km / h
© examsnet.com
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