1) A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has? A) 45 B) 60 C) 75 D) 90 Answer: Option DExplanation:Let the number of notes of each denominations be x. Then x + 5x + 10x + = 480 x = 30