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GRE Prep Club Team Member
Joined: 20 Feb 2017
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A person is standing on a staircase. He walks down 4 steps,
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02 Jan 2020, 00:09
02 Jan 2020, 00:09
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Question Stats:
66% (00:50) correct
33% (00:55) wrong based on 12 sessions
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A person is standing on a staircase. He walks down 4 steps, up 3 steps, down 6 steps, up 2 steps, up 9 steps, and down 2 steps. Where is he standing in relation to the step on which he started?
(A) 2 steps above
(B) 1 step above
(C) The same place
(D) 1 step below
(E) 4 steps above
(A) 2 steps above
(B) 1 step above
(C) The same place
(D) 1 step below
(E) 4 steps above
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Joined: 02 Jan 2020
Status:GRE Quant Tutor
Posts: 1111
Given Kudos: 9
Location: India
Concentration: General Management
Schools: XLRI Jamshedpur, India - Class of 2014
GMAT 1: 700 Q51 V31
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WE:Engineering (Computer Software)
Re: A person is standing on a staircase. He walks down 4 steps,
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02 Jan 2020, 08:32
02 Jan 2020, 08:32
Total Steps down = 4 + 6 + 2 = 12
Total Steps up = 3 + 2 + 9 = 14
New Change = Total steps up - Total Steps Down = 14-12 = 2 steps up.
So, Answer will be A
Hope it helps!
Total Steps up = 3 + 2 + 9 = 14
New Change = Total steps up - Total Steps Down = 14-12 = 2 steps up.
So, Answer will be A
Hope it helps!
Re: A person is standing on a staircase. He walks down 4 steps,
[#permalink]
06 Apr 2023, 01:25
06 Apr 2023, 01:25
1
This is a very easy problem that needs simple arithmetric and addition.
A person is standing on a staircase. He walks down 4 steps, up 3 steps, down 6 steps, up 2 steps, up 9 steps, and down 2 steps. Where is he standing in relation to the step on which he started?
You can take the original position as point zero and add and subract the steps as they go up and down as follows:
Original Position = 0
Down 4 steps = 0 - 4 = -4
Up 3 steps = -4 + 3 = -1
Down 6 steps = -1 - 6 = -7
Up 2 steps = -7 + 2 = -5
Up 9 steps = -5 + 9 = 4
and down 2 steps = 4 - 2 = 2
The answer is (A) - 2 steps above the original position.
I have some questions though. Is this a GRE level question and how can you recognise easy and questions that are tricky and require elegant or time consuming solutions in the GRE quant section.
Carcass kindly help out.
A person is standing on a staircase. He walks down 4 steps, up 3 steps, down 6 steps, up 2 steps, up 9 steps, and down 2 steps. Where is he standing in relation to the step on which he started?
You can take the original position as point zero and add and subract the steps as they go up and down as follows:
Original Position = 0
Down 4 steps = 0 - 4 = -4
Up 3 steps = -4 + 3 = -1
Down 6 steps = -1 - 6 = -7
Up 2 steps = -7 + 2 = -5
Up 9 steps = -5 + 9 = 4
and down 2 steps = 4 - 2 = 2
The answer is (A) - 2 steps above the original position.
I have some questions though. Is this a GRE level question and how can you recognise easy and questions that are tricky and require elegant or time consuming solutions in the GRE quant section.
Carcass kindly help out.
