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Numerical Ability
Time Distance and Speed
. Scott starts jogging from point X to point Y. A half-hour later his friend Garrett who jogs 1 mile per hour slower than twice Scott’s rate starts from the same point and follows the same path. If Garrett overtakes Scott in 2 hours, how many miles will Garrett have covered?
a) 11/5 b) 10/3 c) 4 d) 6 e) 20/3
Read Solution (Total 3)
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- let scott speed be x m/hr
garrett speed (2s-1) m/hr
distance covered by scott in 2.5 hrs= (5/2)s m/hr
distance covered by garrett in 2 hrs = 2(2s-1) m/hr
(5/2)s= 2(2s-1) m/hr
solving above we get
s=(4/3) m/hr
garret speed = 5/3 m/hr
so in 2 hr distance covered will be 10/3 miles
- 12 years agoHelpfull: Yes(19) No(3)
- b is the correct answer.
- 12 years agoHelpfull: Yes(4) No(2)
- 1/2*x + 2*x = (2x-1)*2
x=4/3
so the ans is b - 10 years agoHelpfull: Yes(1) No(2)
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