R programming

What is the syntax to output "Hello World" in R ?

• 'hello world'

• "Hello World"

• print("Hello world")

• all of the above

When the 1st appeared R programming language ?

• August 1992

• August 1993

• August 1994

• August 1995

How do we create a variable named X with the numeric value 5 ?

• x:5

• x<- 5

• int x = 5

• all of the above

who introduced R programming Language ?

• Ross ihaka

• Robert gentalman

• both (a) and (b)

• florian hahne

how do we insert comment in R programming

• # this is a comment

• /* this is a comment

• // this is a comment

• none of these