Interested to Buy Any Domain ? << Click Here >> for more details...
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.)
- 6 Answers
- 9757 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / apoorv
3 races ..first do race b/w the any three .. let race is held b/w a1,a2,a3 ... record who came first and second and third. now hold another race b/w b1,b2,b3 ... record their ranking. let a1 and b1 came first in their respective races... now hold another race b/w a1 and b1... and a2/b2.(m taking a2). CASE1 suppose a1 came first then a2 came second and b1 came third.. then a1 is the fastest a2 is lil slower, and b1 is slowest of three... CASE2 if b1 came first then another race is held b/w b1 b2 a1.. to see whos the fastest.... So minimum races req. is 4! (a3 and b3 are left as we now know they couldnt be in top 3)
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / 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.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / jitendra
one race is enough by utilising the same track on both sides
| Is This Answer Correct ? | 0 Yes | 2 No |
Answer / neethutata
5 Races.
If the horse winning the race are as per given in the order,
then the races will be :
1st race : A1,A2,A3
2nd " :B1,B2,B3
3rd " : A1,B1,B2
4th " : A2, A3,B3
5th " : A1, B1,A2
| Is This Answer Correct ? | 1 Yes | 4 No |
a number is terrific if it is a multiple of 2 or 3 ,how many terrific numbers are there between 11 and 11
There are two lights one is green another one is red. green blinks 2 times per a minute, red blinks 3 times per 2 minutes. If two lights are start at same time how many time they blink together in 1 hours.
A sphere of 10.5 cm radius is melted. It is then casted into a cuboid of maximum volume. What will be the total surface area of such cuboid?
A farmer built a fence around his 17 cows, in a square shaped region. He used 27 fence poles on each side of the square. How many poles did he need altogether?
Q) Susan wants to put up fencing around three sides of her rectangular yard and leave a side of 20 feet unfenced. If the yard has an area of 680 square feet, how many feet of fencing does she need? a) 38 b) 44 c) 72 d) 88 e) 97
4 times a number is twice the sum of the number and 5
In a mixture, R is 2 parts and S is 1 part. In order to make S to 25% of the mixture, how much of R is to be added?
Bactria double every 3 mins. It is N in 1 hour, when was it N/4?
Thirty men take 20 days to complete a job working 9 hours a day.How many hour a day should 40 men work to complete the job? (a) 8 hrs (b) 7 1/2 hrs (c) 7 hrs (d) 9 hrs
5 Answers Infosys, Thomson Reuters,
A pole seen from a certain distance at an angle of 15 degrees and 100 meters ahead by 30 degrees. What is the height of pole ?
Could anyone please email the answers to the verizon 2014 aptitude test
How many four digit numbers divisible by four can be formed using 1, 2, 3, 4; repetitions are not allowed!
English 
