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og 12 problem of degree

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og 12 problem of degree

by pradeepkaushal9518 » Wed Jun 02, 2010 3:01 am
of 30 applicants for a job,14 had atleast 4 years experience,18 had degree and 3 had less than 4 years experience and did not have a degree. how many of the applicants had atleast 4 years experience and a degree?

A.14
B.13
C.9
D.7
E.5

anyone have other method than og 12
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by kstv » Wed Jun 02, 2010 3:47 am
14 have > = 4 yrs experience
so 16 have < 4 yrs experience
3 of them have no degree
so 13 of them have degree and < 4 yrs exp.
Total no of degree holders = 18
5 = 18-13 have degree and > 4yrs exp.
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by Thouraya » Wed Jun 02, 2010 4:13 am
Pradeep, in those types of problems, always draw a table, makes things much clearer!

>=4 <4 Total
Degree 5 13 18
No Degree 9 3 12
Total 14 16 30

Put what's given, and start filling in the squares, hope this helps!:)
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by Patrick_GMATFix » Wed Jun 02, 2010 8:29 am
This is OG12 Problem Solving #167. The OA is E.

Either build a table or use the group formula. 2 Solutions & Take-away lessons are attached.

-Patrick
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