Percentage

Q. If a certain sum of money amounts to $\frac{7}{4}$th of itself in three years, the rate percent per annum is:

1. 30%
2. 25%
3. 35%
4. 40%

Q. Express the following statement in the percentage form:
$13\text{out of}20$ [1 Mark]

Q.

If the price of cooking oil increases by 25%, then by how much percentage should a family reduce its consumption of cooking oil so that their expenditure on cooking oil remains the same?

1. 15%

2. 20%

3. 25%

4. 30%

Q. Each student of a class has 'p' books. If there are 'q' students in the class, total how many books are there?

Q. 80% of the 1400 women in a village A and 60% of 1800 women in village B cast their vote. Find the difference in the number of women voters who caste their vote in the two villages.

1. 40
2. 50
3. 45
4. 38

Q.

A number decreased by 28% becomes 540. Find the number.

1. 650

2. 750

3. 700

4. 800

Q. By weight, $90\%$ of tomato and $78\%$ of potato is water. Find the weight of water in $25kg$ of tomato. [2 Marks]

Q. At an examination in which maximum marks are 500. P got 10% less than Q, Q got 25% more than R and R got 20% less than S. If P got 360 marks what percentage of marks was obtained by S ?

Q. Box $1$ has $12$ paper clips and $16$ rubber bands. Box $2$ has $9$ paper clips and $12$ rubber bands. Which box has lower ratio of paper clips to rubber band?

1. Box $1$
2. Box $2$
3. Both are same
4. Cannot be determined

Q.

If the present petrol price is ₹ 50, then what is the new price when:

i) there is an increase in 20% on the original price?

ii) there is a decrease in 10% on the original price?

1. ₹ 60, ₹ 45

2. ₹ 75, ₹ 80

3. ₹ 45, ₹ 60

4. ₹ 80, ₹ 75

Q. The percentage increase in the total number of students of a school over that in the previous year.

$Year$	$Percentageincrease$
$1999-2000$	$20\%$
$2000-2001$	$30\%$
$2001-2002$	$10\%$

Find the effective percentage increase in the number of students from $1998-1999$ to $2000-2001$.

Q. How do you write $\frac{15}{25}$ as a percentage?

Q. 5.4 is what percent of 18?

1. 23 %
2. 31.75 %
3. 30%
4. 25 %

Q. A girl gets 65 marks out of 80. What percent marks did she get?
(2 marks)

Q. By weight, $90\%$ of tomato and $78\%$ of potato is water. Find the weight of potato which contains $39kg$ of water.

Q. A public school in North Carolina has 300 boys, and 600 girls. What is the ratio of boys to the girls?

1. 6:3
2. 1:2
3. 3:9
4. 9:6