Correct Answer: 54
Explanation:
According to question,we have
Rashi's position = 15th from the left
Ramesh's position = 29th from the right
After interchanging their positions ,
Rashi's position = 26th from left
∴ Total number of students = Rashi's position + Ramesh's position - 1
Total number of children in the row = 26 + 29 – 1 = 54
As shown in figure -
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