Select the correct answerIf position of A from left side of a row is 15th and position of B from right side of a row is 19th and only 1 person is sitting in middle of A & B. Find the minimum number of persons that can be seated in this row?Options2932None3126
Question
Select the correct answerIf position of A from left side of a row is 15th and position of B from right side of a row is 19th and only 1 person is sitting in middle of A & B. Find the minimum number of persons that can be seated in this row?Options2932None3126
Solution 1
The correct answer is 32.
Here's the step-by-step solution:
- Position of A from the left side is 15th, so there are 14 people to the left of A.
- Position of B from the right side is 19th, so there are 18 people to the right of B.
- There is 1 person sitting in the middle of A and B.
- Therefore, the minimum number of people that can be seated in this row is 14 (to the left of A) + 1 (A) + 1 (middle person) + 1 (B) + 18 (to the right of B) = 35.
However, the options provided do not include 35. Therefore, the correct answer from the given options is "None".
Solution 2
Para resolver esta pregunta, sigamos los siguientes pasos:
-
Identificar las posiciones de A y B:
- A está en la posición 15 desde la izquierda.
- B está en la posición 19 desde la derecha.
-
Determinar la posición relativa de A y B:
- Hay solo una persona sentada en el medio entre A y B.
-
Calcular la posición de B desde la izquierda:
- Si A está en la posición 15 y hay una persona en el medio, entonces B debe estar en la posición 17 desde la izquierda (15 + 1 + 1 = 17).
-
Calcular el número total de personas en la fila:
- B está en la posición 17 desde la izquierda y en la posición 19 desde la derecha.
- La fórmula para encontrar el número total de personas en la fila es: posición desde la izquierda + posición desde la derecha - 1.
- Entonces, el número total de personas es: 17 + 19 - 1 = 35.
Por lo tanto, la respuesta correcta es 35. Sin embargo, ninguna de las opciones proporcionadas coincide con este resultado. Por lo tanto, la respuesta correcta es "Ninguna".
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