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15 Mar 2022, 20:18
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
61% (02:39) correct
39%
(03:07)
wrong
based on 23
sessions
History
Date
Time
Result
Not Attempted Yet
Bad habit Number of toddlers
Drooling 55
Nose-picking 48
Biting people 58
A group of parents were surveyed about their toddlers' bad habits, and the results are shown in the table above. No toddlers had only one bad habit, 15 toddlers drooled and picked their nose, 25 toddlers drooled and bit people, and 18 toddlers bit people and picked their nose. How many toddlers had all three bad habits?
A) 0
B) 5
C) 10
D) 15
E) 45
(Source: GMAT Ninja)
Drooling 55
Nose-picking 48
Biting people 58
A group of parents were surveyed about their toddlers' bad habits, and the results are shown in the table above. No toddlers had only one bad habit, 15 toddlers drooled and picked their nose, 25 toddlers drooled and bit people, and 18 toddlers bit people and picked their nose. How many toddlers had all three bad habits?
A) 0
B) 5
C) 10
D) 15
E) 45
(Source: GMAT Ninja)
Archived Topic
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30 Mar 2022, 11:01
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Bunuel
I think this question is missing some information, Can you help me solve this question?
I think this question is missing some information, Can you help me solve this question?
07 Apr 2022, 09:11
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Kushchokhani
Bad habit Number of toddlers
Drooling 55
Nose-picking 48
Biting people 58
A group of parents were surveyed about their toddlers' bad habits, and the results are shown in the table above. No toddlers had only one bad habit, 15 toddlers drooled and picked their nose, 25 toddlers drooled and bit people, and 18 toddlers bit people and picked their nose. How many toddlers had all three bad habits?
A) 0
B) 5
C) 10
D) 15
E) 45
(Source: GMAT Ninja)
Drooling 55
Nose-picking 48
Biting people 58
A group of parents were surveyed about their toddlers' bad habits, and the results are shown in the table above. No toddlers had only one bad habit, 15 toddlers drooled and picked their nose, 25 toddlers drooled and bit people, and 18 toddlers bit people and picked their nose. How many toddlers had all three bad habits?
A) 0
B) 5
C) 10
D) 15
E) 45
(Source: GMAT Ninja)
Please refer to the attached fig
Attachment:
Toddlers 1 GMAT.png [ 11.95 KiB | Viewed 1273 times ]
Drooled \(= 15-x+25-x+x=55\)
\(x=15\)
or
NP \(= 15 -x +x +18-x= 48\)
\(x=15\)
Similarly we can use biting to arrive at the same value of \(x.\)
Ans D
RajatGMAT777 Hope it's clear.
