Advertisements
Advertisements
Question
Many schools have a recommended students-teacher ratio as 35:1. Next year, school expects an increase in enrolment by 280 students. How many new teachers will they have to appoint to maintain the students-teacher ratio?
Advertisements
Solution
Students-teacher ratio = 35:1
It show every 35 students-one teacher should available in the school.
In the school, number of students increases = 280 students
The number of teachers required for 280 students = `280/35` = 8 teachers
APPEARS IN
RELATED QUESTIONS
Fill in the blank in of the following so as to make the statement true:
If u = 3 v, then u and v vary .... with each other.
Anupama takes 125 minutes in walking a distance of 100 metre. What distance would she cover in 315 minutes?
If 12 boys earn Rs 840 in 7 days, what will 15 boys earn in 6 days?
Working 8 hours a day, Ashu can copy a book in 18 days. How many hours a day should he work so as to finish the work in 12 days?
If 9 girls can prepare 135 garlands in 3 hours, how many girls are needed to prepare 270 garlands in 1 hour?
A dozen bananas costs ₹ 20. What is the price of 48 bananas?
If x varies directly as y, then
| x | 12 | 6 |
| y | 48 | – |
When two quantities are related in such a manner that, if one increases, the other also increases, then they always vary directly.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Distance travelled by an auto-rickshaw and time taken.
If 25 metres of cloth costs Rs 337.50, then what will be the length of the cloth bought for Rs 810?
