Question

20. A person is travelling in a train moving due south with velocity 80 kmph and his friend Q is true
in a car moving due west with velocity 60 kmph. Q finds that his friend P is travelling with
1) 200 kmph tan'(4/3) NE
2) 100 kmph tan-(4/3) E of S
3) 100 kmph S-E
4) 100 kmph tan-(4/3) S of E
80​

Answer 1

Answer:

may be the answer is c..