Question

 If point P lies between M and N ,and C is the midpoint of MP, then what is the value of MN ?

Answer 1

If P is the mid point of MN, then

$MP = \frac{1}{2}MN$

C is the mid point of MP

$MC = \frac{1}{2}MP$

MP = 2MC

But MN = 2MP

⇒ MN = 4MC