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Other
Quantitative Aptitude
Combination
Number of way...
Question
Number of ways seven persons can address a meeting such that among three persons A, B and C, A will speak before B and B before C is
___
.
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Solution
The correct answer is 840. Check the video for the approach.
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Q.
A
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Three persons A, B and C are to speak at a function with 5 other persons. If the persons speak in random order, the probability that A speaks before B and C speaks before A in that order is
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