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You need to find our the fastest three (in order) out of six
horses. You have a racing track in which three horses can
run at the same time. What is the minimum number of races
required? Taking notations as A1,A2,A3 and B1,B2,B3 for 6
horses, explain your answer. (You don't have any time
measurement tool.)
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Answer Posted / swathi
ANSWER: 5
first a race b/w A1 A2 A3.let A1 be the 1st nd A2 2nd.
2nd race b/w B1 B2 B3.let B1 be the 1st nd B2 2nd.
3rd race b/w A1 and B1.let again A1 be the 1st,B1 be 2nd.
4th race b/w A2 B2 nd B1.then A2 be 1st nd B1 be 2nd.
5th race b/w A3 nd B1.let B1 be 1st.
then sequelly A1 A2 nd B1, will be the fastest running
horses.
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