Question

A BUS TRAVELLED 56 KM IN THE NORTH DIRECTION FROM ITS INITIAL POSITION AND THEN FURTHER TRAVELLED 110 KM IN THE SOUTH DIRECTION FROM THERE . HOW FAR WAS THE BUS FINALLY FROM ITS INITIAL POSITION ?

Answer 1

Let us consider the initial position as origin, south of it as positive and the north of it as negative.

This implies,

The position of the bus when it travelled to the north of Delhi  

The position of the bus finally  

Therefore, the final position of the bus is 54 km to the south of Delhi.