Question
In three schools, Alpha Public School, Bright Future
School and Crescent Academy, the number of students is 400, 360 and 440 respectively. The ratio of boys to girls in these schools is 3 : 2, 5 : 4 and 7 : 4 respectively. Find the percentage of girls among all the students of the three schools together.Solution
ATQ, In Alpha Public School: Total students = 400 Ratio of boys to girls = 3 : 2 Total ratio parts = 3 + 2 = 5 Number of girls = 400 × 2/5 = 160 In Bright Future School: Total students = 360 Ratio of boys to girls = 5 : 4 Total ratio parts = 5 + 4 = 9 Number of girls = 360 × 4/9 = 40 × 4 = 160 In Crescent Academy: Total students = 440 Ratio of boys to girls = 7 : 4 Total ratio parts = 7 + 4 = 11 Number of girls = 440 × 4/11 = 40 × 4 = 160 Total number of girls = 160 + 160 + 160 = 480 Total number of students = 400 + 360 + 440 = 1200 Required percentage of girls = (Total girls/Total students) × 100 Required percentage = 480/1200 × 100 Required percentage = 40%
A factory incurred the following expenditure during the year 2021. Calculate the cost of production from the following data.
Deen Dayal Upadhyaya Kaushalya Yojana (DDU-GKY) is a demand-driven placement linked skill training initiative working under the National Rural Livelihoo...
What is a benefit of using data visualization in reports?
How many stressed accounts have been identified for transfer to NARCL (National Asset Reconstruction Company Limited) in a phased manner initially
The term float is used in:
Nagaland became the first Indian state to implement which type of insurance scheme?
Under the Expense of Management Rules 2023 introduced by Insurance Regulatory and Development Authority of India, general insurance companies can work w...
- The negotiable warehouse receipt (NWR) system was launched in which of the following year?
Which ethical principle involves treating others with fairness and impartiality?
Which among the following is outside the scope of AS-13?
Relevant for Exams:
