Assertion (A):
5 kilometer can be written as 5 km.
Reason(R):
The symbols of unit should not be written in plural form.
a) Both A and R are true, and R is correct explanation of the assertion.
b) Both A and R are true, but R is not the correct explanation of the assertion.
c) A is true, but R is false.
d) A is false, but R is true