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Priya is 15th from the left and Sara is 10th from the right in a row of children. When they interchange their positions, Priya becomes 20th from the left. How many children are there in the row?

Competition practiceOrder & Ranking
  • A30
  • B24
  • C29
  • D25

Step-by-Step Solution

After interchanging, Priya takes Sara's place, which is 20th from the left and 10th from the right. Total = 20 + 10 - 1 = 29.
Answer: C) 29

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