Basics in lua

Faq.txt

Q1.How can we accept a integer value from a user ?
ans : we use tonumber() function to convert the string input from the user to numbers.

Q2.what is the synax for multiline comment in lua?
ans: --[[ comments --]]

Q3.What will be the default value when we create any variable?
ans: nil

Q4.How can we check the type of a variable in lua?
ans: we use type() function.

Mcq.txt

Q1.What will be the output of this statement : 
    num=12.333
    print(type(num))

a) decimal
b) float
c) number
d) none of the above

and: c)

Q2.What will be the output of the statememt :
     print(num)
     
a) error
b) undefined
c) nil
d) none of the above

and: c)

Q3.which one is not a datatype in lus ?
a) decimal
b) number
c) float
d) both c and a

ans: d)

Q4) what will the output of this code:

        a="12"
        b=12
        print(a+b)

a) 24
b) 1212
c) error
d) none of the above

ans: a)