Question

can anyone tell me which book this question come if u r able to tell me then i will mark brainliest. ... a ???????bus travels a distance of 120km with a s?????peed of ??????40km/h and returns with a speed of 30km/h . calculate the average speed.???????​

Answer 1

Exampler se hoga !!

Search The exampler.

Answer 2

Hey dear♥️

NCERT Science (physics) class 9th & chapter - Motion ... I still remember.

Thank u :)