1. Which number is an odd number?

       A. 34                   B. 36                   C. 35                   D. 38


  1. What is the next even number after 20?

       A. 23                   B. 22                   C. 25                   D. 27


  1. I am a two-digit mystery number. My last digit is an odd number and the first digit is an even number. Am I an even number or an odd number?

       A. even number                            B. odd number

       C. both                                            D. none of these



(1)–C; (2)–B; (3)–B