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26 Nov 2021, 01:00
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E
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Difficulty:
55%
(hard)
Question Stats:
48% (01:07) correct
52%
(00:56)
wrong
based on 247
sessions
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Points x and y lie on a line segment. How many units long is the line segment?
(1) Point x is 15 units from one end of the segment and point y is 15 units from the other end.
(2) There are 10 units between points x and y.
(1) Point x is 15 units from one end of the segment and point y is 15 units from the other end.
(2) There are 10 units between points x and y.
26 Nov 2021, 02:19
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Bunuel
(1) Point x is 15 units from one end of the segment and point y is 15 units from the other end.
There are three conditions which can arise from this:-
a) X and Y lies at the same point: Signifying length of the line segment is 30 units.
b) X lies to the right of Y and frame of reference for X is from far left and for Y far right.. In this condition statement 1 is not sufficient as we don't know the distance between X and Y.
c) X lies to the left of Y and frame of reference for X is from far left and for Y far right.. In this condition statement 1 is not sufficient as we don't know the distance between X and Y.
So, A and D are out.
(2) There are 10 units between points x and y.
We get two conditions out of this swell:
b) X lies to the right of Y and frame of reference for X is from far left and for Y far right. So the answer will be 5+10+5 = 20.
c) X lies to the left of Y and frame of reference for X is from far left and for Y far right. So the answer will be 15+10+15= 40.
We getting two answers hence B is not sufficient.
Combining won't help as we are still left with the two conditions of statement B. So C is Out.
E is the answer.
11 Jul 2023, 23:52
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Bunuel ElninoEffect
Very much confused on why option C isn't right. Although I understood statement 1, I am unable to understand statement 2 analysis. According to me, option C resolves everything and also tells that x is not equal to y because there is a distance of 10 units between them.
Very much confused on why option C isn't right. Although I understood statement 1, I am unable to understand statement 2 analysis. According to me, option C resolves everything and also tells that x is not equal to y because there is a distance of 10 units between them.
