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Mathematics
Mathematics
Problem
Points
X
X
X
and
Y
Y
Y
are taken on the sides
Q
R
QR
QR
and
R
S
RS
R
S
, respectively of a parallelogram
P
Q
R
S
PQRS
P
QR
S
, so that
Q
X
=
4
X
R
QX = 4XR
QX
=
4
X
R
and
R
Y
=
4
Y
S
RY = 4YS
R
Y
=
4
Y
S
. The line
X
Y
XY
X
Y
cuts the line
P
R
PR
P
R
at
Z
Z
Z
. Then,
P
Z
PZ
P
Z
is a.
21
25
P
R
\frac{21}{25}PR
25
21
P
R
b.
16
25
P
R
\frac{16}{25}PR
25
16
P
R
c.
17
25
P
R
\frac{17}{25}PR
25
17
P
R
d. None of these
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