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Seven parcels weigh 18 kg on average. When one parcel is taken out, the average of the rest is 17 kg. How heavy is the removed parcel (in kg)?

Competition practiceAverages & Ages
  • A24
  • B18
  • C21
  • D17

Step-by-Step Solution

Total of kg. Total of kg. Removed parcel = 126 − 102 = 24 kg.
Answer: A) 24

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