Each employee of Company Z is an employee of either division X or division Y, but not both. If each division has some part-time employees, is the ratio of the number of full-time employees to the number of part-time employees greater for division X than for Company Z?
(1) The ratio of the number of full-time employees to the number of part-time employees is less for division Y than for Company Z.
(2) More than half of the full-time employees of Company Z are employees of division X, and more than half of the part-time employees of Company Z are employees of division Y.
OA D
either division X or division Y
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- sanju09
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- Vemuri
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Lets assume,
Division X has = X full-time employees & x part-time employees
Division Y has = Y full-time employees & y part-time employees
Question is asking if X/x > (X+x)/(Y+y)
Stmt 1: Y/y < (X+Y)/(x+y)
==> xY+yY < yX+ yY
==> xY < yX
==> Y/y < X/x
I am not sure how to intrepret this inequality :roll:
Stmt 2: X > (X+Y)/2 & Y > (x+y)/2
Man...I give up ... I am yawning & this question is making it worse for me....time to go to bed
Division X has = X full-time employees & x part-time employees
Division Y has = Y full-time employees & y part-time employees
Question is asking if X/x > (X+x)/(Y+y)
Stmt 1: Y/y < (X+Y)/(x+y)
==> xY+yY < yX+ yY
==> xY < yX
==> Y/y < X/x
I am not sure how to intrepret this inequality :roll:
Stmt 2: X > (X+Y)/2 & Y > (x+y)/2
Man...I give up ... I am yawning & this question is making it worse for me....time to go to bed
- cubicle_bound_misfit
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lets have 4 sets
XP, XF
YP , YF P= pt time, F=fl time
q is asking
XF/XP > (XF+YF)/(XP+YP)
simplifying q is asking
XF/XP > YF/YP ( cross multiplying and canceeling equal terms)
( when cross multiplying no term can be taken negative even in recession-struck market )
stmt 1 when solved yield the same suff
stmt 2 says YP> XP
XF>YF
hence automatically XF/XP > YF/YP suff
Hence D
XP, XF
YP , YF P= pt time, F=fl time
q is asking
XF/XP > (XF+YF)/(XP+YP)
simplifying q is asking
XF/XP > YF/YP ( cross multiplying and canceeling equal terms)
( when cross multiplying no term can be taken negative even in recession-struck market )
stmt 1 when solved yield the same suff
stmt 2 says YP> XP
XF>YF
hence automatically XF/XP > YF/YP suff
Hence D
Cubicle Bound Misfit
- cubicle_bound_misfit
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- sanju09
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You are perfect Mr Misfit. Let me sing in the same timbre:
Xf/Yf is the full time in division X/Y, and Xp/Yp is part time in division X/Y, X, Y, and Z are number of employees in X, Y, and Z.
X = Xf + Xp
Y = Yf + Yp
Z = X + Y
For (1), Yf/Yp < Zf/Zp, as a reparation, Xf/Xp should be greater than Zf/Zp. Sufficient.
For (2), More than ½ of Zf /less than ½ of the Zp should be greater than Zf/Zp. Sufficient.
My explanation has shared thoughts of an unknown zone.
Xf/Yf is the full time in division X/Y, and Xp/Yp is part time in division X/Y, X, Y, and Z are number of employees in X, Y, and Z.
X = Xf + Xp
Y = Yf + Yp
Z = X + Y
For (1), Yf/Yp < Zf/Zp, as a reparation, Xf/Xp should be greater than Zf/Zp. Sufficient.
For (2), More than ½ of Zf /less than ½ of the Zp should be greater than Zf/Zp. Sufficient.
My explanation has shared thoughts of an unknown zone.
The mind is everything. What you think you become. -Lord Buddha
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com