A cow is standing 5 feet from the middle of the bridge. A train is coming towards the cow at speed of 90 miles per hour from the near end and the train is twice as long as the bridge. If the cow had tried to move forward in the same direction as of the train then the cow would have got hit be three feet. But it moved in opposite direction to the train and saved by one feet. Then What is the length of the bridge
2006-08-22 09:55:46 · 13 answers · asked by Amit 3 in Entertainment & Music ➔ Jokes & Riddles
c'mon guys answer is in feets and its not 10 ft or just half that of train,no additional info. is required.
2006-08-22 10:16:52 · update #1
The cow moves 2 feet and the bridge is 12 feet long
Implied: distance1 is from the center to the edge of the bridge towards the train, distance2 is from the center to the edge of the bridge away from the train
distance1+3=distance2-1
distance1+4=distance2
If the cow moves one foot at a time then he starts 5 feet from the center (noted as -5 to imply a unknown but consistent direction). Each foot moved follow below, distance from center is the absolute value.
-5
-6 -4
-7 -3
-8 -2
-9 -1
-10 0
The second step implies that the cow is 7 feet away from the center and 3 feet away from the center (but also 3 feet from the edge) which fits the formula and would make the bridge 12 feet long
After 5 feet, he is either 10 feet from the center or at the center
-11 1
-12 2
-13 3
-14 4
-15 5
-16 6
-17 7
-18 8
-19 9
-20 10
After 15 feet he is either 20 feet from the center or 10 feet from the center.
There is no point where he will be within a four foot difference from either end after the first 5 feet
2006-08-22 10:50:08 · answer #1 · answered by Chris C 2 · 0⤊ 2⤋
10 feet
the cow is standing 5 feet middle of the bridge
the other half is also 5 feet
10 foot bridge
after looking again it says 5' from middle of bridge, my bad. I don't know.
grammar help on "have got hit be 3' "
oh, have got hit by 3'
2006-08-22 10:07:32 · answer #2 · answered by Anonymous · 1⤊ 2⤋
the bridge is only 2 feet
2006-08-22 10:25:31 · answer #3 · answered by mianivi 3 · 0⤊ 2⤋
Um, The bridge is twenty feet long. I think it is but I can't be sure.
2006-08-22 12:04:36 · answer #4 · answered by Anonymous · 0⤊ 1⤋
Half as long as the train.
2006-08-22 10:08:05 · answer #5 · answered by Anonymous · 0⤊ 2⤋
No I cannot.
(Don't you need a bit more information, like how fast the cow moved or something?)
2006-08-22 10:10:42 · answer #6 · answered by MrMonkIsMyIdol 2 · 1⤊ 2⤋
bridge length = x
cow is at point: (x/2)-5
train = 2x
I can't solve it because I don't understand the riddle...
2006-08-22 10:51:58 · answer #7 · answered by ildjb@sbcglobal.net 5 · 0⤊ 1⤋
half the lenght of the train
2006-08-22 10:13:08 · answer #8 · answered by VetteLeo 6 · 0⤊ 2⤋
Almost long enough for a BBQ!
2006-08-22 10:02:17 · answer #9 · answered by nooodle_ninja 4 · 0⤊ 2⤋
really long
2006-08-22 10:07:25 · answer #10 · answered by homerguy 2 · 0⤊ 2⤋