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Amit is 15th from the left and Rohan is 9th from the right in a row of children. When they interchange their positions, Amit becomes 20th from the left. How many children are there in the row?

Competition practiceOrder & Ranking
  • A28
  • B29
  • C24
  • D27

Step-by-Step Solution

After interchange Amit takes Rohan's seat, which is both 20th from the left and 9th from the right, so total = 20 + 9 - 1 = 28.
Answer: A) 28

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