AL/PERCENTAGE 001
1.
Evaluate
a) 28% of 450 + 45% of 280
b) 16 2/3 % of 600gm – 33 1/3 % of 180gm
c) 860% of 50 + 50% of 860
2.
a) 2 is
what percent of 50
b) ½ is what % of 1/3
c) What percent of 7 is 84
3.
Which
is the greatest in 16 2/3 %. 2/15 , 0.17
4.
If the
sale tax be reduced from 3 ½% to 3 1/3% then what difference does it make to a
person who purchases an article with marked price of Rs.8400
5.
An
inspector rejects 0.08% of a meters as defective. How many will he examine to
reject 2
6.
In an
election between two candidates, 72% of the voters cast their voles. Out of
which 2% of the votes were declared invalid. A candidate got 9261 votes which
were 75% of the total valid votes. Find the total number of votes enrolled in
that election
7.
A mans
salary was decreased by 50% and subsequently increased by 50%. How much percent
does he lose
8.
A man
spends 75% of his income. His income is increased by 20% and the increased his
expenditure by 10%. Find percentage increase in his savings
9.
The
salary of a person was reduced by 10%. By what percent should his reduced
salary be raised so as to bring it as par with his original salary?
10.
When
the price of a product was decreased by 10% , the number sold increased by 30%.
What was the effect on the total revenue?
11.
In the
numerator of a fraction be increased by 15% and it’s denominator be diminished
by 8% the value of the fraction is 15/16. Find the original Fraction
12.
If A’s
salary is 20% less than B’s salary by how much percent is B’s salary more than
A’s
13.
The
total population of a village is 5000. The number of males and females increases
by 10% and 15% respectively and consequently the population of the village
becomes 5600. What was the number of males in the village
14.
A’s
salary is 50% more than B’s. How much percent is B’s Salary less than A’s
15.
Two
numbers are less than a third number by 30% and 37% respectively. How much
percent is the second number less than the first.
16.
Fresh
fruit contain 68% water and dry fruit contain 20% water. How much dry fruit can
be obtained from 100kg of fresh fruit
17.
Milk
contain 5% water. What quantity of pure milk should be added to 10 liters of
milk to reduce this to 2%
18.
A man
spends 30% of his monthly income on food articles. 40% of the remaining on
clothes and save 50% of the remaining if his monthly salary is 18400 how much
money does he save every month
19.
A
number is first decreased by 20%. The decreased number is then increased by
20%. The resulting number is less than the original number by 36. Then the
original number is
20.
A
number is mistakenly divided by 9 instead of being multiplied by 9. What is the
percentage of error in the result
21.
In an
examination it is required to 296 marks out of aggregate marks to pass. A
students gets 222 marks and is declared failed by 10% marks. What are maximum
aggregate marks a student can get
22.
At an
election involving two candidates. 68 votes were declared invalid. The winning
candidate secures 52% and wins by 98 votes. The total number of votes polled is
23.
10% of
the voters did not cast their vote in an election between two candidates. 10%
of the voters polled were invalid. The successful candidate got 54% of the
valid votes and won by a majority of 1620 votes. The number of voters enrolled
on the voters list was
24.
A
spider climbed 62 ½ % of the height of the pole in one hour and in the next
hour it covered 12 ½ % of the remaining height. If the poles height is 192m.
Then the distance climbed in second hour
25.
The
price of tea being increased by 20%, a man reduced his consumption by 20%. By
how much percent will his expenses for tea be decreased?
26.
Milk
contains 5% water. What quantity of pure milk should be added to 10 litres of
milk to reduce this to 2%
27.
From a
container having pure milk, 20% is replaced by water and the process is
repeated thrice. At the end of the third operation, the milk is
28.
A
reduction of 21% in the price of wheat enables a person to buy 10.5kg more for
Rs.100.What is the reduced price per kg.
29.
Due to
an increase of 30% in the price of eggs, 3 eggs less are available for Rs.7.80.
The present rate of eggs per dozen is
30.
The
price of sugar having gone down by 10%, Sharad can buy 6.2kg more for Rs.279.
The difference between the original and the reduced price(per kg) is
31.
There
are 600 boys in a hostel. Each plays either hockey or football or bot. If 75%
play hockey and 45% play football, how many play both
32.
In a
certain office, 72% of the workers prefer tea and 44% prefer coffee. If each of
them prefers tea or coffee and 40 like both, the total number of workers in the
office is
33.
In an
examination, 65% students passed in Civics and 60% in History, 40% passed in
both of these subjects. If 90 students failed in History and Civics both, then
what is the total number of students
34.
In an
examination, 35% candidates failed in one subject and 42% failed in another
subject while 15% failed in both the subjects. If 2500 candidates appeared at
the examination, how many passed in either subject but not in both
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AL/PERCENTAGE
001 – ANSWERS
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