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Jharkhand PSC Prelim Exam 15-Dec-2013 Solved Paper
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© examsnet.com
Question : 9
Total: 100
Out of a total of 120 musicians in a club, 5% can play all the three instruments-guitar, violin and flute it so happens that the number of musicians who can play any two and only two of the above instruments is 30. The number of musicians who can play the guitar alone is 40. What is the total number of those who can play violin or flute alone?
30
38
44
45
Validate
Solution:
Total number musician = 120
Musician who can play all instrument
=
120
×
5
100
=
6
Musician who can play any two instrument
=
30
Musician who can play only guitar
=
40
So, musician that can play only violin or flute
=
120
−
30
−
40
−
6
=
120
−
6
=
44
© examsnet.com
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