A car travels a distance of 225 km in 25 litres of petrol. How many
litres of petrol will be required to cover a distance of 540 kilometres
by this car?
If Naresh walks 250 steps to cover a distance of 200 metres, find the
distance travelled in 350 steps
Find the values of x and y if a and b are in inverse proportion:
a. 12 x 8
b. 30 5 y
The mass of an aluminium rod varies directly with its length. If a
16 cm long rod has a mass of 192 g, find the length of the rod whose
mass is 105 g.
If a deposit of Rs 2,000 earns an interest of Rs 500 in 3 years, how
much interest would a deposit of Rs 36,000 earn in 3 years with the
same rate of simple interest?
It is given that l varies directly as m.
(i) Write an equation which relates l and m.
(ii) Find the constant of proportion (k), when l is 6 then m is 18.
(iii) Find l, when m is 33.
(iv) Find m when l is 8
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?
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