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?
The variable x is inversely proportional to y. If x increases by p%,
then by what per cent will y decrease?
A bowler throws a cricket ball at a speed of 120 km/h. How long
does this ball take to travel a distance of 20 metres to reach the
batsman?
Ms. Anita has to drive from Jhareda to Ganwari. She measures a
distance of 3.5 cm between these villages on the map. What is the
actual distance between the villages if the map scale is 1 cm = 10 km?
There are 20 grams of protein in 75 grams of sauted fish. How many
grams of protein is in 225 gm of that fish?
Ravi starts for his school at 8:20 a.m. on his bicycle. If he travels at
a speed of 10km/h, then he reaches his school late by 8 minutes
but on travelling at 16 km/h he reaches the school 10 minutes
early. At what time does the school start?
Shabnam takes 20 minutes to reach her school if she goes at a
speed of 6 km/h. If she wants to reach school in 24 minutes, what
should be her speed?
30 persons can reap a field in 17 days. How many more persons
should be engaged to reap the same field in 10 days?
44 cows can graze a field in 9 days. How many less/more cows will
graze the same field in 12 days?
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