Which of the following statements about variable names is true?Select one:a.A valid variable name can be up to 40 characters in length.b.A valid variable name can start with a number and end with a number.c.A valid variable name may consist of letters, digits, and the underscore (_) character.d.A valid variable name may contain uppercase letters, which are no different than lowercase letters.

Which of the following statement is False?Variable names can be arbitrarily long.They can contain both letters and numbers.Variable name can begin with underscore.Variable name can begin with number.

Which of the following is true for variable names in C?a.They can contain alphanumeric characters as well as special charactersb.It is not an error to declare a variable to be one of the keywords(like goto, static)c.Variable names cannot start with a digitd.Variable can be of any length

. Which of the following is true for variable names in Python?underscore and ampersand are the only two special characters allowedall private members must have leading and trailing underscoresnone of the mentionedunlimited length

Which of the following are requirements for variable names?

variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume). Rules for R variables are:A variable name must start with a letter and can be a combination of letters, digits, period(.)and underscore(_). If it starts with period(.), it cannot be followed by a digit.A variable name cannot start with a number or underscore (_)Variable names are case-sensitive