Question

which of the following variable is invalid? a)Neha_Bhatia
b)_Usha123
c)Priya $pay
d)num

please answer with reason

Don't answer if you don't know​

Answer 1

Answer:

num

Explanation:

beacause all have symbol and num don 't have

example

the symbols are

a) _

b)_

c)$

d) don ' t have any symbol

the answer will be d) num

please mark brilliant hope it helps you thankyou

Answer 2

Answer:

num is write answer so go for it it is true