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Comparing Quantities

In 1975, the consumption of water for human use was about 3850
cu.km/year. It increased to about 6000 cu.km/year in the year 2000.
Find the per cent increase in the consumption of water from 1975 to
2000. Also, find the annual per cent increase in consumption
(assuming water consumption increases uniformly).

Comparing Quantities

Jyotsana bought a product for Rs 3,155 including 4.5% sales tax.
Find the price before tax was added.

Comparing Quantities

In the year 2001, the number of malaria patients admitted in the
hospitals of a state was 4,375. Every year this number decreases by
8%. Find the number of patients in 2003.

Comparing Quantities

A watch worth Rs 5400 is offered for sale at Rs 4,500. What per cent
discount is offered during the sale?

Comparing Quantities

In 2007 – 08, the number of students appeared for Class X examination
was 1,05,332 and in 2008–09, the number was 1,16,054. If 88,151
students pass the examination in 2007–08 and 103804 students in
2008–09. What is the increase or decrease in pass % in Class X
result?

Comparing Quantities

The marked price of an article is Rs 500. The shopkeeper gives a
discount of 5% and still makes a profit of 25%. Find the cost price of
the article.

Comparing Quantities

Find discount in per cent when
(a) M.P. = Rs 625 and S.P. = Rs 562.50
(b) M.P. = Rs 900 and S.P. = Rs 873

Comparing Quantities

Find the S.P. if
(a) M.P. = Rs 5450 and discount = 5%
(b) M.P. = Rs 1300 and discount = 1.5%

Comparing Quantities

In a factory, women are 35% of all the workers, the rest of the workers
being men. The number of men exceeds that of women by 252. Find
the total number of workers in the factory

Comparing Quantities

In question, state whether the statement are true (T) or false (F).

Sales tax is always calculated on the cost price of an item and is
added to the value of the bill.