A car covers a distance in 40 minutes with an average speed of 60
km/h. What should be the average speed to cover the same distance
in 25 minutes?
Sobi types 108 words in 6 minutes. How many words would she
type in half an hour?
A contractor undertook a contract to complete a part of a stadium in
9 months with a team of 560 persons. Later on, it was required to
complete the job in 5 months. How many extra persons should he
employ to complete the work?
In a camp, there is enough flour for 300 persons for 42 days. How
long will the flour last if 20 more persons join the camp?
If x varies inversely as y and y = 60 when x = 1.5. Find x. when y = 4.5.
The variable x varies directly as y and x = 80 when y is 160. What is
y when x is 64?
If x varies inversely as y and x = 20 when y = 600, find y when
x = 400.
In question, state whether the statement are true (T) or false (F).
The area of cultivated land and the crop harvested is a case of direct
proportion.
In question, state whether the statement are true (T) or false (F).
For fixed time period and rate of interest, the simple interest is directly
proportional to the principal
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