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100 people responded to a survey about mobile

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Joined: 29 Nov 2018
Posts: 52
Location: India
Concentration: Entrepreneurship, General Management
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100 people responded to a survey about mobile  [#permalink]

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New post Updated on: 17 Dec 2018, 20:16
1
2
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

33% (02:42) correct 67% (02:43) wrong based on 12 sessions

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Attachment:
Brand_Rankings.png
Brand_Rankings.png [ 32.94 KiB | Viewed 333 times ]

100 people responded to a survey that asked them to rank three different brands of mobiles. The percentage of respondents that ranked each brand 1st, 2nd, and 3rd are listed above.

If no respondents rated the mobile in the order Y, Z, X, how many respondents rated the mobile in the following order: X, Y, Z?

A. 100
B. 60
C. 50
D. 30
E. 25

Originally posted by ruchik on 17 Dec 2018, 11:05.
Last edited by ruchik on 17 Dec 2018, 20:16, edited 2 times in total.
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Joined: 02 Aug 2009
Posts: 7208
Re: 100 people responded to a survey about mobile  [#permalink]

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New post 17 Dec 2018, 18:03
1
ruchik wrote:
Attachment:
Brand_Rankings.png

100 people responded to a survey that asked them to rank three different brands of mobiles. The percentage of respondents that ranked each brand 1st, 2nd, and 3rd are listed above.

If no respondents rated the soaps in the order Y, Z, X, how many respondents rated the soap in the following order: X, Y, Z?

100
60
50
30
25

Give Kudos if you like the question



The way Z can be in the middle as the 2nd choice would be X,Z,Y or Y,Z,X, but it is given that there is no order Y,Z,X.
Thus all Z as 2nd choice is when X is first choice.

Z is 15%, so 15% opted for X,Z,Y. But total % who chose X as 1st choice is 40%.
so remaining (40-15)% =25% gave X,Y,Z as the order because there is no other possibility or order when X can be the first choice.

Thus, E is correct
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3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html


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Re: 100 people responded to a survey about mobile  [#permalink]

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New post 17 Dec 2018, 20:13
ruchik wrote:
Attachment:
Brand_Rankings.png

100 people responded to a survey that asked them to rank three different brands of mobiles. The percentage of respondents that ranked each brand 1st, 2nd, and 3rd are listed above.

If no respondents rated the soaps in the order Y, Z, X, how many respondents rated the soap in the following order: X, Y, Z?

100
60
50
30
25

Give Kudos if you like the question


Question talks of mobile and soap later? Can you correct the sentence please?
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Re: 100 people responded to a survey about mobile &nbs [#permalink] 17 Dec 2018, 20:13
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