In a row of students Ganesh is 7th from one extreme and 11th from the other. Find the total numbers of students in the row.
As Ganesh is 7th from one extreme end (say left end), number of students to his left will be '6' and also,
He is 11th from other end (say right end), number of students to his right will be '10'.
Total number of students = 6 + 1 + 10 = 17.
Hence, option A is the correct answer.
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