In a row of men, Manoj is 30th from the right and Kiran is 20th from the left.
After interchanging their positions, Manoj becomes 35th from the right.
What is the total number of men in the row?
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Solution:
Total = N.
After swap, Manoj is at Kiran’s old place (20th from left) ⇒ from right = N − 20 + 1 = N − 19.
Given N − 19 = 35 ⇒ N = 54.