9th Class
Mental Ability
Direction Sense Test
Question Bank
Direction Sense Test
question_answer
A tourist travelled 40 km towards East and turning to his left he travelled 60 km. "He then turned to his right and travelled 40 km. What was the distance between his initial and final positions?
A) 100km
B) 120km
C) 140 km
D) Not possible to determine
Correct Answer:
A
Solution :
; A\[\equiv \] Initial position D\[\equiv \] Final postion \[{{\left( AD \right)}^{2}}={{\left( AE \right)}^{2\text{ }}}+\text{ }{{\left( DE \right)}^{2}}\] \[={{\left( 80 \right)}^{2}}+{{\left( 60 \right)}^{2}}=\text{ }6400+3600=10000\] AD=100km