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Time and Distance Practice Test 2 with solutions
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© examsnet.com
Question : 19
Total: 40
A taxi driver has promised his passanger to cover a distance of 225 km on time. But due to tiredness, he has to take rest for half an hour. Still he managed to reach his destination in time just by increasing his speed by 15 km/ hour. Find his initial speed.
33.33 km/hr
30 km/hr
40 km/hr
45 km/hr
None of these
Validate
Solution:
Let the initial speed = x km/hour
225
x
−
225
x
+
15
=
1
2
x
2
+ 15x + 1,350 = 0
x = 30 km/hour
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