Question related to ratio.
Question asked by: Chanakya69
Asked on: 18 Nov 2008
Comment or provide your answer to this question
Knowitall the solution provided by u is wrong.
Let the no. to be subtracted be x.
(6-x/7-x) < (16/21)
=> 21(6-x) < 16(7-x)
=> (126-21x) < (112-16x)
=> 126-112 < 21x-16x
=> 14 < 5x
=> x > 14/5
=> x > 2.8
According to question x is an integer
so x=3
By: Chanakya69
Date of comment: Fri, Dec 5th 2008
Comments and other answers:
Knowitall the solution provided by u is wrong.
Let the no. to be subtracted be x.
(6-x/7-x) < (16/21)
=> 21(6-x) < 16(7-x)
=> (126-21x) < (112-16x)
=> 126-112 < 21x-16x
=> 14 < 5x
=> x > 14/5
=> x > 2.8
According to question x is an integer
so x=3
By: Chanakya69
Date of comment: Fri, Dec 5th 2008
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