In a row of children facing North, Ritesh is twelfth from the left end. Sudhir who is twenty-second from the right end is fourth to the right of Ritesh. Total how many children are there in the row ?
Ritesh's position from left end = 12th
Sudhir is fourth to the right of Ritesh, => Sudhir's position from left end = 12 + 4 = 16th
Also, Sudhir's position from right end = 22nd
=> Total number of children in the row = 16 + 22 - 1
= 37
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