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mathslover
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Rajesh went out between 5 and 6 for a work. He came to home between 6 and 7. When he came he saw that the hands have exactly changed places. When did Rajesh went out?
 one year ago
 one year ago
mathslover Group Title
Rajesh went out between 5 and 6 for a work. He came to home between 6 and 7. When he came he saw that the hands have exactly changed places. When did Rajesh went out?
 one year ago
 one year ago

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mathslover Group TitleBest ResponseYou've already chosen the best response.0
@amistre64 @sami21 @ghazi @Callisto Please help
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
well by changing hands, what do you mean, does it mean, interchanging position of hour and minute hand?
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
I also don't know what does the book mean by it but I do have the answer. Ok! Let us take the meaning as specified by you @ghazi ... what answer you arrived ?
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
well i consider as interchanging of minute and hour hands , which means both will acquire new position if turned by 180 degrees , lets say its 6 o clock then minute hand is at 12 and hour is at 6 and if hands are interchanged then it will be 12.30 , thats what i concluded
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
not 12.30 but a bit less, or lets say its 5 past 7 then if hands are interchanged , it will be 1.35 , thats what i can think of , but i guess here book says about mirror image like 5.25 and its mirror image is 6.40 , which satisfies your question
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
No but that is not the answer...
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
I think the question is wrong,,,,,
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
changing hands is confusing me , i think its 5.30 and then 6.25
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
like her left at 5.30 and if hands are changed it will be 6.25
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
yes, clocks used to have hands on them to tell the time with :)
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
dw:1360761423073:dw
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
unfortunately its obsolete and now digital watch is preferred lol for higher precision and accuracy
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
so i guess i was correct lol
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
5.30 to 6.30 is a suitable result
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
but then we are talking about angles .... and not time itself lol
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
Well I don't think tht question means for mirror images..
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
exactly, i am trying to think of mathematical explanation and @mathslover we didnt use mirror image , we just interchanged the position of hands in your given time interval, 5 at 6 and 6 at 5 ;)
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
dw:1360761555731:dw we have different angular speeds to acowingspan for
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
oh sorry
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
its okay but try to think that mathematically :) that would be fun
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
lol; so wither account is a bad word? or was my typo a bad wrod
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
wingspan stands for male genital lol
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
i was horrified by your word , what you wanted to write lol hehe
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
the hour hand has a constant speed of 360 per hour; the minute hand has a speed of 360/60 per hour. if you can narrow down how to account for a general position you can use the speeds to find a related rates problem maybe .... or it could be one of the harry and sally paint a room things
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
we know the time had to be less than an hour, since the minute hand didnt make it all the way around ....
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
lets assume 50 minutes just to cover the span from the 5 to the 7 and my speeds are off
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
minute hand is 360 per hour; and hour hand is 360+360/12
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
minute hand moves faster than hour, minute hand completes 360 degrees in one hour and hour hand covers only 30 degree in one hour
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
...lol, its been so long since i looked at a clock i spose
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
lets assume for a minute that im an idiot ;)
 one year ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
^ http://www.edunetworking.com/PlayVideo.aspx?u=fFWIDQNe0nQ&Class=CAT%20&Subject=Logical%20Reasoning
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
so a tortise and a hare are chasing ech other around a track at defined speeds. how long does it take the tortise to reach where the hare was, at the same time that the hare reaches the position that the tortise was ....
 one year ago

AravindG Group TitleBest ResponseYou've already chosen the best response.0
but the hare slept on its way :O
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
lazy hares :)
 one year ago

ghazi Group TitleBest ResponseYou've already chosen the best response.2
alright fellas ;) i guess we are done ;) lets go back to get lazy
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
also need to determine the angle of separation at a given time .... im sure someones figured this out in like 1587bc
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
dw:1360762766659:dw for a given degree alpha we need to determine when "equivalent" distances get traveled at a given speed; when alpha = 360alpha does that make any sense?
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
the time interval is the same for each distance traveled \[hour: \frac{30^o}{60sec}t=\alpha^o\\minute:\frac{360^o}{60sec}t=360^o\alpha\] 2 equations in 2 unknowns right?
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
\[\frac{390^o}{60}t=360^o\] \[t=60sec~\frac{360^o}{390^o}=55\frac{5}{13}sec\]
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
\[\alpha=\frac{30^o}{60sec}*\frac{720}{13}sec=(\frac{360}{13})^o\] at what time between 5 and 6 are the hands that many degrees apart? id start at noon and do some additional calculations
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
or start at 5 :)
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
dw:1360764111867:dw \[\frac{360^o}{60}t(150^o+\frac{30^o}{60}t)=(\frac{360}{13})^o\] solve for t
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
and im writing sec for minutes for some reason ... ; so i get 5:32.31 as a starting time
 one year ago

amistre64 Group TitleBest ResponseYou've already chosen the best response.1
at any rate, i got a good idea, might have the speeds off tho so dbl chk if your interested in it:)
 one year ago
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