In row of 35 people facing the North, R is 10th from the right end and there are 10 people between R and P. What is P’s position from the left end of the row?
Question
In a row of 35 people facing the North, R is 10th from the right end and there are 10 people between R and P. What is P’s position from the left end of the row?
Solution
Step 1: Identify the position of R. R is 10th from the right end in a row of 35 people.
Step 2: Determine the number of people between R and P. There are 10 people between R and P.
Step 3: Calculate the position of P from the right end. Since R is 10th from the right and there are 10 people between R and P, P is 20th from the right end (10 for R + 10 people in between).
Step 4: Determine P's position from the left end. In a row of 35 people, if P is 20th from the right, then P is 16th from the left end (35 total people - 20 from the right + 1 because the count starts from 1, not 0).
So, P's position from the left end of the row is 16th.
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