Statement I : Two vectors are said to be equal if, and only if, they have the same magnitude and the same direction.

Statement II : Addition and subtraction of scalars make sense only for quantities with same units.

• A

  If both statement I and statement II are true and statement II is the correct explanation of statement I.
   

• B

  If both statement I and statement II are true but statement II is not the correct explanation of statement I.
   

• C

  If statement I is true but statement II is false.
   

• D

  If both statement I and statement II are false.