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A restaurant

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A restaurant

by bhumika.k.shah » Sat Mar 27, 2010 10:01 am
A restaurant buys fruits in cans containing 3*1/2 cups of fruit each. If the restaurant uses 1/2 cup of the fruit in each serving of its fruit compote, what is the least number of cans needed to prepare 60 servings of the compote?

(A) 7
(B) 8
(C) 9
(D) 10
(E) 12
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by akahuja143 » Sat Mar 27, 2010 10:12 am
IMO C

per question each can 3 1/2 cups i.e 7 serving for 1 can
for 60 servings 60/7 =8.5.... which is nothing but 9 cans
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by eaakbari » Sat Mar 27, 2010 10:59 am
1 serving = 1/2 cup
60 serving = 30 cups

31/2 cups in 1 can
30 cups in 60/7 cans

which leads to 8. something so answer should be 9

IMO C
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by suryapal » Sun Mar 28, 2010 5:21 am
step 1 : 3*1/2 = 7/2
step 2: one serving needed for 1/2 cup, then 60 serving needs 60*1/2= 30 cups
step 3 : 1 can contain 7/2 cups

i.e 7/2 cups in one can

so 1 cup in {1/(7/2)=2/7} cans

and 30 cup in {2/7*30=60/7=8.5} can

so least no. of can required are 9 so ans. is C
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