Assertion: The maximum height of projectile is always 25% of the maximum range.
Reason: For maximum range, projectile should be projected at 90°.
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false and R is also false.