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by gmatnmein2010 » Fri Feb 19, 2010 8:08 pm
Each piglet in a litter is fed exactly one-half pound of a mixture of oats and barley. The ratio of the amount of barley to that of oats varies from piglet to piglet, but each piglet is fed some of both grains. how many piglets are there in the litter?

1) Piglet A was fed exactly 1/4 of the oats today
2) Piglet A was fed exactly 1/6 of the barley today

Detailed answers please
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Source: — Data Sufficiency |
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by thephoenix » Fri Feb 19, 2010 9:02 pm
gmatnmein2010 wrote:Each piglet in a litter is fed exactly one-half pound of a mixture of oats and barley. The ratio of the amount of barley to that of oats varies from piglet to piglet, but each piglet is fed some of both grains. how many piglets are there in the litter?

1) Piglet A was fed exactly 1/4 of the oats today
2) Piglet A was fed exactly 1/6 of the barley today

Detailed answers please
IMO C

individually 1 and 2 are not suff

with bth we are getting no. of piglets as 5
hence C
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by Ian Stewart » Sat Feb 20, 2010 4:38 am
I'll simply paste here the solution I gave on another forum:

Neither statement is sufficient alone. Together, if the pig had 1/6 of the barley and 1/4 of the oats, the fraction of the total food it had was somewhere between 1/6 and 1/4. Since each pig gets an equal amount of food, each pig gets 1/n of the total amount of food, where n must be an integer. So 1/6 < 1/n < 1/4, and n must be 5.
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by shashank.ism » Sat Feb 20, 2010 1:16 pm
gmatnmein2010 wrote:Each piglet in a litter is fed exactly one-half pound of a mixture of oats and barley. The ratio of the amount of barley to that of oats varies from piglet to piglet, but each piglet is fed some of both grains. how many piglets are there in the litter?

1) Piglet A was fed exactly 1/4 of the oats today
2) Piglet A was fed exactly 1/6 of the barley today

Detailed answers please
Each piglet in a litter is fed exactly one-half pound of a mixture of oats and barley
St.1 : Piglet A was fed exactly 1/4 of the oats today ==insuff.. what abt barley
St.2: Piglet A was fed exactly 1/6 of the barley today ==insuff. what abt. oats

combined: not getting what to do ...
but Ian solution really helps out what to do ....n must be 5
Ans C
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