question_answer

A man cycles 15 m towards east, turns right and cycles 8 m. How far is he from the starting point?

A)  7m                                        

B)  17m

C)  23m                                     

D)  19m

Correct Answer: B

Solution :

  Let the starting point of the man be A, AB is the distance cycled due east, BC is the distance cycled after taking a right turn. \[7[a+6d]=11[a+10d]\]The required distance is AC, which is given by \[\Rightarrow \]