question_answer

Two students Ram and Shyam 10 m apart are standing on a horizontal line. Both of them run the same distance towards North-East. They again travelled equal distance towards South. How far is Ram now from Shyam?

A)  \[10\sqrt{2}\] m            

B)  \[5\sqrt{2}\]m              

C)  10 m                           

D)  \[20\sqrt{2}\] m

Correct Answer: C

Solution :

: A\[\equiv \] Ram's initial position P \[\equiv \] Shyam's initial position C \[\equiv \] Ram's final position R \[\equiv \] Shyam's final position ABQP is a parallelogram, AB is equal & parallel to PQ & AP is equal & parallel to BQ. CR=BQ=10m