If there are 20 more students in 2019 as compared to previous year and number of girls who didn rsqu...........

Quantitative Aptitude(IBPS CL) Data Table

Directions (): Given table shows the total number of boys & girls in a class in 5 different years and percentage of boys & girls who participated in an event and percentage of total students who did not participate in event. Some data are missing which you have to calculate as per the information provided in question. Read the data carefully and answer the questions

If there are 20% more students in 2019 as compared to previous year and number of girls who didn’t participate in 2019 are 12, then what is the difference between no. of boys who participated in 2019 and total students who didn’t participate in 2016?

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Explanation:

Total student in 2019 = 360
Let no. of boys & girls be x & y respectively
x + y = 360 ………………..(i)
Students who didn’t participate in 2019= 40/100×360=144
no. of boys who didn’t participate in 2019 = 144 – 12 = 132
required difference = 132/55×45−15/100×360=54

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