Question

21. A worker covers a distance
1 point
of 40 km from his house to his
place of work, and 10 km
towards his house back. Then
the displacement covered by
the worker in the whole trip is
*
O 50 km
o 20 km
O 30 km
O
None of these​

Answer 1

Answer:

30 km........... is the correct answer.......

Explanation:

MARK AS BRAINLIST.......

Answer 2

• 30 kilo metre will be the correct option