Ramesh and Suresh, both sales professionals, are employed at a retail outlet specializing in mobile phones. The establishment offers a diverse selection comprising four distinct models: A, B, C, and D, and their selling prices are Rs. 10,000, Rs. 16,000, Rs. 20,000, and Rs. 25,000 respectively.For every sale of a phone of model A, B, C, and D, Ramesh receives a commission of 5%, 8%, 10%, and 10% on selling price respectively. For every sale of a phone of model A, B, C, and D, Suresh receives a commission of 4%, 10%, 8%, and 12% on selling price respectively.In February, Ramesh and Suresh adhere to specific sales ratios for each phone type. They sell phones of type A in the ratio of 2 : 3, while for types B, C, and D, the ratios are 4 : 1, 3 : 2, and 1 : 1 respectively. Ramesh manages to sell an equal number of phones from types A and D, as well as an equal number from types B and C. Together, they sold a total of 53 phones. Ramesh has sold 11 more phones than Suresh.Q 113. How many total phones did Suresh sell of type B and type D?a) 3b) 5c) 7d) 9
Question
Ramesh and Suresh, both sales professionals, are employed at a retail outlet specializing in mobile phones. The establishment offers a diverse selection comprising four distinct models: A, B, C, and D, and their selling prices are Rs. 10,000, Rs. 16,000, Rs. 20,000, and Rs. 25,000 respectively.For every sale of a phone of model A, B, C, and D, Ramesh receives a commission of 5%, 8%, 10%, and 10% on selling price respectively. For every sale of a phone of model A, B, C, and D, Suresh receives a commission of 4%, 10%, 8%, and 12% on selling price respectively.In February, Ramesh and Suresh adhere to specific sales ratios for each phone type. They sell phones of type A in the ratio of 2 : 3, while for types B, C, and D, the ratios are 4 : 1, 3 : 2, and 1 : 1 respectively. Ramesh manages to sell an equal number of phones from types A and D, as well as an equal number from types B and C. Together, they sold a total of 53 phones. Ramesh has sold 11 more phones than Suresh.Q 113. How many total phones did Suresh sell of type B and type D?a) 3b) 5c) 7d) 9
Solution
Vamos a resolver el problema paso a paso.
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Definamos las variables:
- Sea , , , y el número de teléfonos de los modelos A, B, C, y D que Ramesh vendió respectivamente.
- Sea , , , y el número de teléfonos de los modelos A, B, C, y D que Suresh vendió respectivamente.
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Condiciones dadas:
- Ramesh y Suresh venden teléfonos del tipo A en la proporción 2:3.
- Para los tipos B, C, y D, las proporciones son 4:1, 3:2, y 1:1 respectivamente.
- Ramesh vende un número igual de teléfonos de los tipos A y D, y un número igual de los tipos B y C.
- Juntos vendieron un total de 53 teléfonos.
- Ramesh vendió 11 teléfonos más que Suresh.
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Ecuaciones basadas en las condiciones:
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Proporciones:
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Simplificación:
- Dado que y , podemos simplificar las ecuaciones:
- Dado que y , podemos simplificar las ecuaciones:
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Sustitución de proporciones:
- Sustituyendo , , , y :
- Sustituyendo , , , y :
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Resolviendo las ecuaciones:
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Solución final:
- Resolviendo las ecuaciones, encontramos que y .
- Entonces, , , , y .
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Número total de teléfonos vendidos por Suresh de tipo B y D:
Por lo tanto, la respuesta correcta es:
d) 9
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