Select the correct answerIn a row of children A is 21th from the left end and B is 27th from the right end of the row, if there are 6 children between A and B What is the Maximum number of children in the row?Options5355None5459
Question
Select the correct answerIn a row of children A is 21th from the left end and B is 27th from the right end of the row, if there are 6 children between A and B What is the Maximum number of children in the row?Options5355None5459
Solution 1
To find the maximum number of children in the row, we need to add the positions of A and B from the ends of the row and the number of children between them.
A is 21st from the left end. B is 27th from the right end. There are 6 children between A and B.
So, the maximum number of children in the row would be 21 (A's position) + 27 (B's position) + 6 (children between A and B) = 54.
Therefore, the correct answer is 54.
Solution 2
Para resolver este problema, sigamos los siguientes pasos:
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Determinemos la posición de A y B en la fila:
- A está en la posición 21 desde el extremo izquierdo.
- B está en la posición 27 desde el extremo derecho.
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Sabemos que hay 6 niños entre A y B.
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Para encontrar la posición de B desde el extremo izquierdo, sumamos la posición de A y los 6 niños entre ellos, más 1 (porque B está después de esos 6 niños):
- Posición de B desde el extremo izquierdo = 21 + 6 + 1 = 28.
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Ahora, sabemos que B está en la posición 28 desde el extremo izquierdo y en la posición 27 desde el extremo derecho.
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Para encontrar el número total de niños en la fila, sumamos la posición de B desde el extremo izquierdo y la posición de B desde el extremo derecho, y restamos 1 (porque estamos contando a B dos veces):
- Número total de niños = 28 + 27 - 1 = 54.
Por lo tanto, la respuesta correcta es 54.
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