Which of the following are legal variable name in c++?

Question

1:- name3_var
2:- 14var
3:- &*^var
4:- salary

Note:-In this question has two answer

Answer 1

1 and 4 are legal

Answer 2

Variable names have to begin with an alphabetic character or _ and cannot contain special characters other than _ (underscore).

Answer 3

The answer is 1&4 ..

Answer 4

1 & 4

Answer 5

Option 1 and 4 are correct.
No numbers allowed at the start of the var name
No special characters except _ is allowed

Answer 6

As replied above 1 and 4

Answer 7

One and four(1 and 4)!

Answer 8

14

Answer 9

A variable name can start with alphabet and underscore only. It can't start with digit.

Answer 10

the dependent variable starts "int" or gives a value to a letter depending on the operation to be performed, example: sum

Answer 11

1&4

Answer 12

1 and 4