1) How many numbers between 400 and 600 begin with or end with a digit of 5 ? A) 40 B) 100 C) 110 D) 120 Answer: Option CExplanation:Numbers satisfying the given conditions are 405, 415, 425, 435, 445, 455, 465, 475, 485, 495 and 500 to 599. Number of such numbers = (10 + 100) = 110.