Q. Which expression is valid? (A) int my_nbr = 100, 000; (B) int my_nbr = 100000; (C) int my nbr = 1000; (D) int $my_nbr = 10000; ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) int my_nbr = 100000; Explanation: Space, comma and $ are not allowed in a variable name.