1. Which number is made up with 1 hundred, 4 tens and 3 ones? (A) 413 (B) 143 (C) 341 (D) 1043 (E) 134 2. A pyramid has 12 edges. What is the shape of the base? (A) a triangle (B) a square (C) a pentagon (D) a hexagon (E) an octagon 3. Ann has a cloth bag with 20 balls, numbered from 1 to 20, in it. She selects a ball from the bag. Which of the following events is the most likely? (A) She selects ball number 1. (B) She selects an odd-numbered ball. (C) She selects a ball with the digit 2 in the number. (D) She selects ball 9 or 10. (E) She selects ball number 20. 4. Jane is given a large block of chocolate which is made up of square pieces and is 6 pieces wide and 8 pieces long. .............................................................................................................................................................................................................................................................................. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . .. .. .. .. .. .. .. .. . 6 8 Chocolate She eats all the outside pieces. What fraction of the block is left? (A) 1 4 (B) 1 3 (C) 1 2 (D) 2 3 (E) 3