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: Weight of water melon ( 3966 )
Weight of water melon
«
:
September 15, 2007, 10:35:45 PM From
spazinvader
»
Weight of water melon
Suppose you buy a water melon of 100 pounds that are 99% water. After leaving them outside for a day, they are now 98% water.
What will be the weight of the melon now?
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Re: Weight of water melon
«
#1 :
September 16, 2007, 11:25:43 AM From
Rajesh
»
Now the weight of water melon will be 50 pounds.....
Re: Weight of water melon
«
#2 :
September 16, 2007, 08:59:27 PM From
spazinvader
»
Could u explain your answer Rajesh?
Re: Weight of water melon
«
#3 :
September 16, 2007, 10:49:10 PM From
Rajesh
»
Initially water melons were having 99 pound water and 1 pound solid material....
now after drying it, it will be having same solid material ie 1 pound..
so total weight after drying it ...let W = 98x + 2x ......(a)
and second condition by above statement .. 2x = 1 pound....(b)
hence by putting the value of x = 1/2 in eqn (a)
W = 50 pound
Re: Weight of water melon
«
#4 :
September 17, 2007, 10:03:52 AM From
vishwakarma.deepak
»
100 pound total weight, hence weight of solid part of millon is 1 pound as it is 1%
after water vapourisation, solid part of millon is 2% of millon weight
since 2% weighs 1 pound
hence 100 % would weigh 50 pound (100*1/2)
hence millon is now 50 pound left...
Re: Weight of water melon
«
#5 :
September 17, 2007, 09:51:53 PM From
spazinvader
»
Yes.
Both of you guys are right.
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