Question
In a given population, 20% of the population is affected
with asthma out of which 90% of asthma patients used to work in flour mills. If 30% of the total population was working in flour mills, then what will be the percentage of the people working in flour mills who are suffering from asthma?Solution
Let the total population =100. Affected with asthma=100×20/100=20 Asthma patients used to work in flour mills=100×90/100=90. Working in flour mills =100×30/100=30. People who suffer from asthma but do not work in flour mills=90-30+20 =40%people People working in flour mills who are suffering from asthma=100-40=60%.
If 60% of total employees in department B in 2016 are male and 40% of total employees in department A in 2018 are female, then find the ratio of total n...
What is the maximum value of a given item per kg out of the given years of the given table: -
What is the difference between the sum of the number of red pens and the number of black pens sold by shopkeeper D and the number of black pens sold by ...
Find the average number of umbrellas sold in city A, C, E and F.
Total number of pencils sold on Tuesday is approximately how much percent more/less than the number of pencils sold on Wednesday and Friday together.
The pie chart given below shows the number of students in seven different institutes in a town. Total number of students in all the seven institutes is ...
What is the ratio of the number of Refrigerators in the Store C to the number of Refrigerators in the Store D?
In wing D people who have taken subscription of OTT Platform P are 25% more than that of wing F people. Number of people having other OTT platform is sa...
If in school B, number of female students is 25% of the total number of students and ratio of male and female teachers is 5:7, and then find the differe...
The Speed of two cyclists follow a ratio of 9:5. If the slower cyclist covers a distance of 480 km in 6.4 hours, determine the time it takes for the fas...
Relevant for Exams:
