solve

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solve

by mitaliisrani » Thu May 13, 2010 2:02 am
If a represents a number between 3 and 6 and b represents a number between 15 and 60, then b/a represents a number between

A) 2.5 and 20
B) 5 and 20
C) 5 and 10
D) 2.5 and 10
E) 5 and 25


OA: B
Source: — Problem Solving |

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by gmatmachoman » Thu May 13, 2010 2:10 am
mitaliisrani wrote:If a represents a number between 3 and 6 and b represents a number between 15 and 60, then b/a represents a number between

A) 2.5 and 20
B) 5 and 20
C) 5 and 10
D) 2.5 and 10
E) 5 and 25


OA: B
Use spoilers!

Find the Minimum ratio of b/a and maximum ratio of b/a

Trick is 3 &6 /15&60 is included in the range. If it had been given "from", those numbers may NOT be included.

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by selango » Thu May 13, 2010 4:09 am
a=4 and 5

b=16,17,18.......59..

Minimum ratio=b/a=16/4=4

Maximum ration=b/a=59/5=11.8

the range s coming 2.5 and 20.

pl clarify

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by arohan_sambyal » Thu May 13, 2010 4:38 am
i got the range from 2.5 to 20...
We have 4 numbers 3, 6 and 15,60..Trying out all four possibilities of b/a. and i got the above range