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Select the correct answerGeorge is fifth from the left and Peter is twelfth from the right in a row of children. If they interchange their positions, George becomes tenth from the left end. How many children are there in the row?Options2221NONE2324

Question

Select the correct answerGeorge is fifth from the left and Peter is twelfth from the right in a row of children. If they interchange their positions, George becomes tenth from the left end. How many children are there in the row?Options2221NONE2324

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Solution

To solve this problem, we need to consider the positions of George and Peter before and after they switch places.

  1. Initially, George is 5th from the left. After they switch, he is 10th from the left. This means that Peter was originally 10th from the left.

  2. Peter is 12th from the right. Since we know that he was also 10th from the left, we can add these two positions together and subtract 1 (because we are counting Peter twice).

  3. So, the total number of children in the row is 10 (Peter's position from the left) + 12 (Peter's position from the right) - 1 = 21.

Therefore, the correct answer is 21.

This problem has been solved

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