D is a point on side QR of PQR such that PD 
 QR. Will it be correct to say that 
PQD ~ 
RPD? Why?
Answer : [False]
In PQD and 
RPD
          (common side)
            (each 90o)
The given statement  is false.
Because according to the definition of similarity, two triangles are similar, if their corresponding angles are equal and their corresponding sides are in the same ratio