Question
In a school, 40% of the students are girls, and the rest
are boys. During the annual sports event, 30% of the girls and 50% of the boys took part. If the number of girls who did not participate is 420, determine the total number of students in the school.Solution
Let the total number of students in school = 100x Number of Girls = 40x Number of Boys = 60x According to question- 70% of 40x = 420 x = 420/28 x = 15 total number of students in school = 100x = 1500
Find the value of [(n + c)/2].
A circular wire enclosing the area of 9,856 cm² is bent to form a square. How much area will be enclosed by that wire?
Read the data carefully and answer the following questions
Units sold in five months. What is the average units sold per month?
What is the angle made at the centre by the sector showing the number of laptops sold by shop A?
Table below shows the distribution of number of workers according to their daily wages:
Read the table given below and answer the following question given below.
Number of Students in Five Schools
The turnover of Company R, company S and company U in 2015, 2014 and 2017 respectively is approximately what percent of the turnover of company P, Q, S ...
Study the given graph and answer the question that follows.
�...The number of black pens sold by shopkeeper B is how much percent of that sold by shopkeeper D?
What is the difference between average number of article sold by B and D on all the four days?
