Question

In a row of students,Rahul is 12 from left and Shikha is 17 from the right end. If they incharge their positions, Shikha becomes 27 from the right end. How many total students are there in the row

Answer 1

if rahul is in the 12th position from left, shilka and rahul interchanged their position then there are 26 more rows after rahul hence there are  42 students