Latest 3i-Infotech Aptitude Question SOLUTION: A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the le

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A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100 gms.

A.Rs.90 B.Rs.1.00 C.Rs.3.00 D.Rs.8.00

Asked In 3i-Infotech sawan kumar (12 years ago)

Solved Aman Read Solution (4)

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Aman  (12 years ago)

cost of 3 gms of cofee by putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm = 90 paisa
cost of 1 gms of cofee by putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm = 30 paisa

cost of 3 gms of mixture changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade = 81 paisa
cost of 1 gms of mixture changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade = 27 paisa

Diff in cost for 1 gm mixture = 3 paisa
diff in cost for 100 gm mixture = 300 paisa = 3 Rs.

Is this solution Helpfull? Yes (60) | No (12)  

sakethreddy  (11 years ago)

case 1:ratio = 2:1 (2 parts:1parts)
quantity in 33ppgm =2/3 *100 cost=2/3*100*33=2200p
quantity in 24ppgm =1/3 *100 cost=1/3*100*24=800p
total=3000p
case2: ratio = 1:2(1parts:2parts)
quantity in 33ppgm=1/3*100 cost =1/3*100*33=1100p
quantity in 24ppgm=2/3*100 cost =2/3*100*24=1600p
total cost=2700p
save =3000-2700=300p
=3RS ans:C

Is this solution Helpfull? Yes (60) | No (3)  

Dr.Dipin Singh  (12 years ago)

diff in cost of 3 gms of coffee= 90-81=9 paisa
Diff in cost of 100 gms of coffee=100*9/3=300 paisa= 3 Rs....option C

Is this solution Helpfull? Yes (38) | No (4)  

abhay meshram  (10 years ago)

for 3 gm difference is= 9p
for 1 gm difference is= 3p
for 100 gm= 3*100=300p

Is this solution Helpfull? Yes | No (3)  

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