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17 Sep 2018, 01:47
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B
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Difficulty:
5%
(low)
Question Stats:
86% (00:25) correct
14%
(00:19)
wrong
based on 76
sessions
History
Date
Time
Result
Not Attempted Yet
If a bag contains 18 yellow tiles and 22 black tiles, what is the probability that a tile selected at random from the bag will be yellow?
A. \(\frac{1}{10}\)
B. \(\frac{9}{20}\)
C. \(\frac{11}{20}\)
D. \(\frac{9}{11}\)
E. \(\frac{11}{9}\)
A. \(\frac{1}{10}\)
B. \(\frac{9}{20}\)
C. \(\frac{11}{20}\)
D. \(\frac{9}{11}\)
E. \(\frac{11}{9}\)
SSM700plus
Joined: 01 Aug 2017
Last visit: 08 Aug 2022
Posts: 164
Own Kudos:
Given Kudos: 420
Location: India
Concentration: General Management, Leadership
Schools: ISB '20 (S) IIMA PGPX"20 (S)
GMAT 1: 500 Q47 V15
GPA: 3.4
WE:Information Technology (Computer Software)
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17 Sep 2018, 02:11
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Bunuel
.
Total number of tiles in a bag is \(18 + 22 = 40\).
Probability = \(\frac{Favorable Outcome}{Total number of Outcome}\)
Probability = \(\frac{18}{40}\)
Probability = \(\frac{9}{20}\)
Ans - B
