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24 Mar 2015, 04:23
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B
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Difficulty:
35%
(medium)
Question Stats:
69% (01:23) correct
31%
(01:20)
wrong
based on 261
sessions
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A certain aquarium holds three types of fish: angelfish, swordtails and guppies. What is the ratio of the number of guppies to the number of angelfish?
(1) There are 200 fish in the aquarium
(2) 45 percent of the fish are swordtails, and there are twice as many swordtails as there are angelfish.
Kudos for a correct solution.
(1) There are 200 fish in the aquarium
(2) 45 percent of the fish are swordtails, and there are twice as many swordtails as there are angelfish.
Kudos for a correct solution.
24 Mar 2015, 04:32
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Bunuel
A certain aquarium holds three types of fish: angelfish, swordtails and guppies. What is the ratio of the number of guppies to the number of angelfish?
(1) There are 200 fish in the aquarium
(2) 45 percent of the fish are swordtails, and there are twice as many swordtails as there are angelfish.
Kudos for a correct solution.
Qu: G:A=?(1) There are 200 fish in the aquarium
(2) 45 percent of the fish are swordtails, and there are twice as many swordtails as there are angelfish.
Kudos for a correct solution.
A+S+G=Total
(1) There are 200 fish in the aquarium
We know Total=200 , no information on distribution among A, S and G. NOT SUFFICIENT
(2) 45 percent of the fish are swordtails, and there are twice as many swordtails as there are angelfish.
45%T =S
S=2A
so we know G+A combine to 55% and A is \(45/2 %\) so G will be \(100-45-22.5\)
we cannot find individual number of fish of each type but we can surely find G:A.
Option B : Sufficient .
24 Mar 2015, 20:05
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Bunuel
A certain aquarium holds three types of fish: angelfish, swordtails and guppies. What is the ratio of the number of guppies to the number of angelfish?
(1) There are 200 fish in the aquarium
(2) 45 percent of the fish are swordtails, and there are twice as many swordtails as there are angelfish.
Kudos for a correct solution.
(1) There are 200 fish in the aquarium
(2) 45 percent of the fish are swordtails, and there are twice as many swordtails as there are angelfish.
Kudos for a correct solution.
Statement 1:
We are not given a breakdown of the 3 types of fish
Insufficient
Statement 2:
(9/20)(a+g+s)=s
s=2a
Combining the equations together, we get g/a = 9/13
Sufficient
Answer: B
