Which of the following statements is not true about level of scope?
I. let keyword declares a block scoped variable.
II. var keyword declares a block scoped variable.
III. const keyword declares a block scoped variable.
IV. let and const are similiar to each other.
(1)I and IV are true and II and III are false
(2)I & II are true and III and IV are false.
(3)I & III are true and II and IV are false.
(4)I and IV are false and II and III are true.