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If some of the passengers of the boat Silver Trout board the Lovely Mary instead, then which boat will have more passengers on it?

(1) The Silver Trout will have 25% fewer passengers than it currently has. Clearly insufficient. (2) The Lovely Mary will have 50% more passengers than it currently has. Clearly insufficient.

(1)+(2) Say x passengers went from Silver Trout (ST) to Lovely Mary (LM). We know that this x is 1/4th of the total number of passengers on ST, thus originally there were 4x passengers. We also know that that x is 1/2 of the total number of passengers on LM, thus originally there were 2x passengers. After x left ST to LM, they'd have 3x passengers each. Sufficient.

Answer: C.

P.S. Not a GMAT type of questions: it's neither YES/NO nor a value question.
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If some of the passengers of the boat Silver Trout board the [#permalink]

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12 Aug 2017, 11:01

Bunuel wrote:

If some of the passengers of the boat Silver Trout board the Lovely Mary instead, then which boat will have more passengers on it?

(1) The Silver Trout will have 25% fewer passengers than it currently has. Clearly insufficient. (2) The Lovely Mary will have 50% more passengers than it currently has. Clearly insufficient.

(1)+(2) Say x passengers went from Silver Trout (ST) to Lovely Mary (LM). We know that this x is 1/4th of the total number of passengers on ST, thus originally there were 4x passengers. We also know that that x is 1/2 of the total number of passengers on LM, thus originally there were 2x passengers. After x left ST to LM, they'd have 3x passengers each. Sufficient.

Answer: C.

P.S. Not a GMAT type of questions: it's neither YES/NO nor a value question.

0.25*ST = 0.5 LM ===> ST/LM = 2/1 ===> therefore ST has more number of passengers after the change.But in your case they have equal number of passengers...what I am missing?
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Re: If some of the passengers of the boat Silver Trout board the [#permalink]

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19 Aug 2017, 09:24

Bunuel wrote:

If some of the passengers of the boat Silver Trout board the Lovely Mary instead, then which boat will have more passengers on it?

(1) The Silver Trout will have 25% fewer passengers than it currently has. Clearly insufficient. (2) The Lovely Mary will have 50% more passengers than it currently has. Clearly insufficient.

(1)+(2) Say x passengers went from Silver Trout (ST) to Lovely Mary (LM). We know that this x is 1/4th of the total number of passengers on ST, thus originally there were 4x passengers. We also know that that x is 1/2 of the total number of passengers on LM, thus originally there were 2x passengers. After x left ST to LM, they'd have 3x passengers each. Sufficient.

Answer: C.

P.S. Not a GMAT type of questions: it's neither YES/NO nor a value question.

Suppose i consider 100 persons on ST initially,so this means now there are 75 persons.Now on LM if 100 persons are there then after 50% increase the result will be 150. On the contrary,if i consider 100 on ST so 75 left and 50 initially on LM then the result will be 75,so 75>75...NO

If some of the passengers of the boat Silver Trout board the Lovely Mary instead, then which boat will have more passengers on it?

(1) The Silver Trout will have 25% fewer passengers than it currently has. Clearly insufficient. (2) The Lovely Mary will have 50% more passengers than it currently has. Clearly insufficient.

(1)+(2) Say x passengers went from Silver Trout (ST) to Lovely Mary (LM). We know that this x is 1/4th of the total number of passengers on ST, thus originally there were 4x passengers. We also know that that x is 1/2 of the total number of passengers on LM, thus originally there were 2x passengers. After x left ST to LM, they'd have 3x passengers each. Sufficient.

Answer: C.

P.S. Not a GMAT type of questions: it's neither YES/NO nor a value question.

Suppose i consider 100 persons on ST initially,so this means now there are 75 persons.Now on LM if 100 persons are there then after 50% increase the result will be 150. On the contrary,if i consider 100 on ST so 75 left and 50 initially on LM then the result will be 75,so 75>75...NO

What am i missing,...?

You cannot consider both to have 100 passengers.

If ST = 100, the 25% = 25. Now, this 25 (according to the second statement) should comprise 50% of LM, so LM = 50. So, if 25 board LM instead of ST each will have 75.
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Re: If some of the passengers of the boat Silver Trout board the [#permalink]

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19 Aug 2017, 09:52

1

This post received KUDOS

Ans is C let x members on boat Silver Trout and y on Lovely Mary. A is insufficient as it does not say anything about other boat and so AD ruled out B is insufficient as same reason above

combine them

0.25x=.50y x=2y let straut has 10 member then mary will have 5 clearly this info is sufficient to judge which boat has max numbers of persons.

C is the answer
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Give Kudos for correct answer and/or if you like the solution.

Re: If some of the passengers of the boat Silver Trout board the [#permalink]

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22 Aug 2017, 02:08

Bunuel wrote:

himanshukamra2711 wrote:

Bunuel wrote:

If some of the passengers of the boat Silver Trout board the Lovely Mary instead, then which boat will have more passengers on it?

(1) The Silver Trout will have 25% fewer passengers than it currently has. Clearly insufficient. (2) The Lovely Mary will have 50% more passengers than it currently has. Clearly insufficient.

(1)+(2) Say x passengers went from Silver Trout (ST) to Lovely Mary (LM). We know that this x is 1/4th of the total number of passengers on ST, thus originally there were 4x passengers. We also know that that x is 1/2 of the total number of passengers on LM, thus originally there were 2x passengers. After x left ST to LM, they'd have 3x passengers each. Sufficient.

Answer: C.

P.S. Not a GMAT type of questions: it's neither YES/NO nor a value question.

I DONT GET IT

I took an example and it doesnt give any answer

If C is correct then

Lets Assume

1) ST = 5000(Initially) LM = 500(Initially)

Statement 1 ) will be 5000- 25% of 5000 = 3750 on ST Statement 2 ) will be 500 + 50% of 500 = 750 on LM

Hence ST wins

2) ST = 500(Initially) LM = 600(Initially)

Statement 1 ) will be 500- 25% of 500 = 375 on ST Statement 2 ) will be 600 + 50% of 600 = 900 on LM

Hence LM wins

Can u explain why this example doesnt hold? Am I missing something?

If some of the passengers of the boat Silver Trout board the Lovely Mary instead, then which boat will have more passengers on it?

(1) The Silver Trout will have 25% fewer passengers than it currently has. Clearly insufficient. (2) The Lovely Mary will have 50% more passengers than it currently has. Clearly insufficient.

(1)+(2) Say x passengers went from Silver Trout (ST) to Lovely Mary (LM). We know that this x is 1/4th of the total number of passengers on ST, thus originally there were 4x passengers. We also know that that x is 1/2 of the total number of passengers on LM, thus originally there were 2x passengers. After x left ST to LM, they'd have 3x passengers each. Sufficient.

Answer: C.

P.S. Not a GMAT type of questions: it's neither YES/NO nor a value question.

I DONT GET IT

I took an example and it doesnt give any answer

If C is correct then

Lets Assume

1) ST = 5000(Initially) LM = 500(Initially)

Statement 1 ) will be 5000- 25% of 5000 = 3750 on ST Statement 2 ) will be 500 + 50% of 500 = 750 on LM

Hence ST wins

2) ST = 500(Initially) LM = 600(Initially)

Statement 1 ) will be 500- 25% of 500 = 375 on ST Statement 2 ) will be 600 + 50% of 600 = 900 on LM

Hence LM wins

Can u explain why this example doesnt hold? Am I missing something?

You cannot arbitrarily assume values for BOTH ST and LM. If you assume some value for ST it will define specific value for LM because 1/4 of ST = 1/2 of LM.

Re: If some of the passengers of the boat Silver Trout board the [#permalink]

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22 Aug 2017, 02:48

Bunuel wrote:

rocko911 wrote:

Bunuel wrote:

If some of the passengers of the boat Silver Trout board the Lovely Mary instead, then which boat will have more passengers on it?

(1) The Silver Trout will have 25% fewer passengers than it currently has. Clearly insufficient. (2) The Lovely Mary will have 50% more passengers than it currently has. Clearly insufficient.

(1)+(2) Say x passengers went from Silver Trout (ST) to Lovely Mary (LM). We know that this x is 1/4th of the total number of passengers on ST, thus originally there were 4x passengers. We also know that that x is 1/2 of the total number of passengers on LM, thus originally there were 2x passengers. After x left ST to LM, they'd have 3x passengers each. Sufficient.

Answer: C.

P.S. Not a GMAT type of questions: it's neither YES/NO nor a value question.

I DONT GET IT

I took an example and it doesnt give any answer

If C is correct then

Lets Assume

1) ST = 5000(Initially) LM = 500(Initially)

Statement 1 ) will be 5000- 25% of 5000 = 3750 on ST Statement 2 ) will be 500 + 50% of 500 = 750 on LM

Hence ST wins

2) ST = 500(Initially) LM = 600(Initially)

Statement 1 ) will be 500- 25% of 500 = 375 on ST Statement 2 ) will be 600 + 50% of 600 = 900 on LM

Hence LM wins

Can u explain why this example doesnt hold? Am I missing something?

You cannot arbitrarily assume values for BOTH ST and LM. If you assume some value for ST it will define specific value for LM because 1/4 of ST = 1/2 of LM.

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