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Q: In a row of girls, if Seeta who is 10th from the left and Leena who is 7th from the right, interchange their seats, Seeta becomes 15th from the left. How many girls are there in the row
  • A. 17
  • B. 21
  • C. 22
  • D. 20
Correct Answer: Option B -
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Explanations:

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