Question

Who is my companion?
Group A
1) Velocity
2) Area
3) Volume
4) Mass
5) Density
Group B
a) litre
b) kilogram
c) metre/second
d) kilogram/cubic metre
e) square metre

Answer 1

Group A.
1) Velocity companion is (c).

2) Area companion is (e).

3) Volume companion is (a).

4) Mass companion is (b).

5) Density companion is (d).

<!--Here the companions refers to the associated units with those physical or scalr quantities -->

Answer 2

GroupB has units for the group A

matching units are as below

Group A Group B

1) Velocity c) metre/second

2) Area e) square metre

3) Volume a) litre

4) Mass b) kilogram

5) Density d) kilogram/cubic metre

related units has been mentioned in front.