A and B run a 1,760m race ending in a dead heat. At first A runs 20% faster than B. B then quickens his pace, and for the remaining distance runs 20% faster than A. When B quickens his pace, A has already run,
a) 800 m
b) 1000 m
c) 790 m
d) 960 m
e) 900 m
OA is D
Guys, Please Help
Race..
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- goyalsau
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- goyalsau
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selango wrote:A
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Da=Sa*T
Sa=1.2sb
-->Da=1.2*Sb*T
Da=1.2*Db
After B quicken his pace.
Db=1760-Da { Can you please explain this one, } From where you got this relation.
Db=1760-1.2Db
-->Db=800
Da=1.2*800=960
Pick D
Saurabh Goyal
[email protected]
-------------------------
EveryBody Wants to Win But Nobody wants to prepare for Win.
[email protected]
-------------------------
EveryBody Wants to Win But Nobody wants to prepare for Win.