Practice Quiz

IB Mathematics SL Prep - Question List

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36. In a game, one card is drawn from a complete deck of playing cards without jokers. If the card is a club or a queen, the gambler wins double his bet. Otherwise, the dealer keeps the money. How much better are the dealer's odds in this game?
  1. 50% better
  2. 38% better
  3. 32% better
  4. 44% better
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37. Every five minutes a baby is born in the Nigindia. How many babies are born in a year?
  1. 150,120
  2. 105,120
  3. 100,510
  4. 300,450
  5. 103,555
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38. A car that regularly sells for $29,600 has been marked down to $22,100. What is the approximate percentage of the discount?
  1. 20%
  2. 22%
  3. 25%
  4. 30%
  5. 33%
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39. What is the median for the numbers 89, 87, 94, 82, 89, 91, 95, 88, 90, 87, 92 and 93?
  1. 87 and 89
  2. 89.5
  3. 93
  4. 89.75
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40. Kenneth receives a 6% commission on all of his real estate sales. Half of his commission goes to his broker. What is Kenneth’s part of the commission on $250,000 in sales?
  1. $6,666
  2. $7,000
  3. $7,100
  4. $7,250
  5. $7,500
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