Solutions
Total population = 525000
No. of male = 45/100 x 525000 = 236250
No. of female = 40/100 x 525000 = 210000
No. of children = 15/100 x 525000 = 78750
No. of people visited park on Monday = 15/100 x 525000 = 78750
No. of people visited park on Tuesday = 20/100 x 525000 = 105000
No. of people visited park on Wednesday = 10/100 x 525000 = 52500
No. of people visited park on Thursday = 20/100 x 525000 = 105000
No. of people visited park on Friday = 35/100 x 525000 = 183750
No. of people visited park on Friday = 35/100 x 525000 = 183750
Ratio of male, female and children = 4:2:4
So, 10 = 183750
6 = 183750/10 x 6 = 110250
No. of people visited park on Monday = 15/100 x 525000 = 78750
Ratio of male, female and children = 5:6:4
So, 15’s = 78750
11’s = 78750/15 x 11 = 57750
Total no. of adult visited the park on Monday and Friday = 110250 + 57750 = 168000