What is the number of girls taking Painting classes?

116

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125

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None of these

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Solution

The correct option is B 15
Number of girls $= \frac{4}{7} \times 2800 = 1600$
Number of boys $= 1200$
Number of boys in Painting $= \frac{1020}{5} = 240$
Number of girls in Cooking clases $= \frac{1}{4} \times 1600 = 400$
Number of boys in Cooking classes $= 700 - 400 = 300$
Number of boys in Singing classes $= \frac{2}{5} \times 1200 = 480$
Number of boys in Dancing classes $= 1200 - 240 - 300 - 480 = 180$
Number of girls in Singing classes $= 2 \times 480 = 960$
Number of girls in Dancing classes $= \frac{5}{4} \times 180 = 255$
Number of girls in Painting classes $= 1600 - 400 - 960 - 225 = 15$
Number of girls taking painting classes $= 15$

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Study the information carefully to answer the questions:

A school consisting of a total of 1560 students has boys and girls in the ratio of 7:5. All the students are enrolled in different types of hobby classes, viz Singing, Dancing and Painting. One-fifth of the boys are enrolled in only Dancing classes. Twenty percent of the girls are enrolled only Painting classes. Ten percent of the boys are enrolled in only Singing classes. Twenty four percent of the girls are enrolled in both Singing and Dancing classes together. The number of girls enrolled in only Singing classes is two hundred percent of the boys enrolled in the same. One-thirteenth of the boys are enrolled in all the three classes together. The ratio of boys enrolled in Dancing and Painting classes together to the girls enrolled in the same is 2:1. Ten percent of the girls are enrolled in only Dancing classes whereas eight percent of the girls are enrolled in both Dancing and Painting classes together. The remaining girls are enrolled in Singing and Dancing classes together. The number of boys enrolled in Singing and Dancing classes together is fifty percent of the number of girls enrolled in the same. The remaining boys are enrolled in only Painting classes.

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Q. Of

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