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In a row of 40 students, Rohan is 15th from the left. What is his position from the right end?
25th
26th
24th
27th
26th
To find the position from the opposite end, subtract the given position from the total number of students and add 1.
To find the position from the opposite end, subtract the given position from the total number of students and add 1.
Identify Given Data
The total number of students in the row is 40, and Rohan's position from the left end is 15th.
Apply Ranking Formula
Use the formula: Position from Right = Total Students - Position from Left + 1. Substituting the values: 40 - 15 + 1 = 26th.
A: 25th is wrong because it forgets to add 1 back. C: 24th is incorrect due to arithmetic miscalculation. D: 27th is incorrect because it overcounts by 1.
B is correct because using the standard ranking formula (Total - Left + 1) yields 40 - 15 + 1 = 26th from the right end.
In row arrangement questions, always include +1 because the target individual is counted in both the left and right counts.
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