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In a class of 240 students, the ratio of boys to girls is 7 : 5. Also, 40% of the boys and 60% of the girls passed an exam. How many students passed in total?

Competition practiceData Interpretation
  • A116
  • B120
  • C110
  • D124

Step-by-Step Solution

Boys = 140, Girls = 100. Boys passed = 40% of 140 = 56; girls passed = 60% of 100 = 60. Total = 56 + 60 = 116.
Answer: A) 116

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