Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In
△
P
Q
R
\triangle PQR
△
P
QR
, a point
S
S
S
lies on
P
Q
PQ
P
Q
and a point
T
T
T
lies on
P
R
PR
P
R
such that
S
T
∥
Q
R
ST\parallel QR
S
T
∥
QR
. Which of the following ratios is always equal to
P
S
S
Q
\dfrac{PS}{SQ}
S
Q
P
S
? a)
T
R
P
T
\dfrac{TR}{PT}
P
T
T
R
b)
P
Q
P
R
\dfrac{PQ}{PR}
P
R
P
Q
c)
P
T
T
R
\dfrac{PT}{TR}
T
R
P
T
d)
P
T
P
R
\dfrac{PT}{PR}
P
R
P
T
Browse the problem library