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Logical Reasoning DILR Prep Tips for MBA English Class 12th

Direction for questions 5 to 8:

There are 20000, 30000, 40000 and 50000 men in a town over a period of 4 years from 2011 to 2014. In the same period, the number of women has increased at the rate of 10 percent every year, beginning at 13000 in 2011. The number of boys in the town increases at 5 percent per year. In 2014, the number of boys is 12000. The number of girls has been increasing at 25 percent and in 2014 their number was 10000.

The line graph below shows the percentage of literates in the town between 2011 and 2014.

What was the percentage increase in the number of literate girls from 2013 to 2014?

Option 1 -

430 percent

Option 2 -

462.5 percent

Option 3 -

483.5 percent

Option 4 -

None of these

2 Views | Posted 3 months ago

Asked by Shiksha User

1 Answer

Answered by

Vishal Baghel | Contributor-Level 10

3 months ago

Correct Option - 2

Detailed Solution:

(b)

Number of literates = Population * Literacy rate

Thus, if the percentage change in the population is a% and that in the literacy rate is b%, then the percentage change in the number of literates = (a + b +ab/100)%

From 2013 to 2014, the population of girls has increased by 25 percent and literacy rate has changed from 10 percent to 25 percent

i.e. (45 - 10) * 100/10 = 350 percent increase in literacy rate

Percentage change in the number of literate girls = 25 + 350 + (25 * 350)/100 = 462.5 percent

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