- A424
- B414
- C434
- D404
Step-by-Step Solution
2019: 100; 2020: 500 − 330 = 170; 2021: passed = 72% of 550 = 396, failed 154. Total = 424.
Answer: A) 424
Over 2019, 2020 and 2021 together, how many candidates failed?
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