Observe the given map and answer the following questions.
Kartik travels from place P to Q, then from place Q to R.
(a). Find the total distance travelled by him.
(b). How much less distance Kartik will travel, if he goes
directly from place P to place R?
A(a) - 1 km 170 m; (b) - 71 m
B(a) - 1 km 107 m; (b) - 81 m
C(a) - 1 km 107 m; (b) - 71 m
D(a) - 1 km 170 m; (b) - 81 m