SajjadAhmad wrote:
Attachment:
bhbh.jpg
The table above gives the type and number of pets owned by a group of 48 households that own only cats and dogs. If the ratio of the total number of cats to the total number of dogs is 5 : 3, how many dogs are there?
A. 18
B. 24
C. 30
D. 36
E. 48
Source:
Kaplan GMAT Math Workbook - Sixth EditionPage# 308
Dogs only house-16,Avg Pet:1.5 ,Dogs=16*1.5 =24
Cats only house -24,Avg Pet:1.25,Cats=24*1.25=30
Both -8 ,Avg Pet:3.25,Both=8*3.25 =26
Total Pets=24+30+26=80
Ratio =5/3
It is numerical problem ,i used substitution based on options:
A.If 18 dogs,cats=30 .so total =48 ,not satisfied.
B.24 dogs,cats=40 ,not satisfied
C.30 dogs,50 cats,Satisfied.
Ans.C
_________________
Thanks,
Ankit
Target Score:730+
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