Fractions and Ratios

Q. The ratio of the least prime number to the least composite number is

1. 1 : 2
2. 2 : 3
3. 1 : 4
4. 1 : 3

Q. Write five pairs of integers (a, b) such that a ÷ b = –3.
Example: (6, –2) because 6 ÷ (–2) = (–3).

Q. The sum of numeretor and deniminator of a faction 4 more than its numerator If $3$ is added to numerator and denominator, its ratio becomes $2:3$. Find the fraction

Q. The ratio of zinc and copper in an alloy is 7:9. If the weight of the copper in the alloy is 11.7 kg, find the weight of the zinc in the alloy.

Q. Express 16/20 as percentage.

1. 80%
2. 48%
3. 16%
4. 32%

Q.

If 0.36 = a + b, chose the correct option:

1. a = 0.03, b = 0.06

2. a = 0.3, b = 0.06

3. a = 0.03, b = 0.6

4. a = 0.3, b = 0.6

Q.

2 years and 4 months can also be expressed as $2\frac{2}{12}$ years.

1. False
2. True

Q. The denominator of a fraction represents the number of parts into which the whole is divided.

1. True
2. False

Q. In a bag, there is a total of 30 fruits. Out of which, 20 are oranges and 10 are apples.The fraction of apples in the bag is $\frac{1}{3}$.

1. 1/3

2. 2/3

Q. Mala and Bala got 75 marks and 25 marks respectively in an examination. Find the ratio of the marks scored by Mala to total marks obtained by both of them.

1. 3:1
2. 3:4
3. 1:3
4. 4:3

Q. Rs.61, 105 , is divided between Ram and Raman in the ratio 3 : 8 .What is the difference between thrice the share of Ram and twice the share of Raman?

Q. John has 6 pieces of granite, 3 pieces of marble, 14 pieces of sandstone, and 1 piece of slate. What is the ratio of sandstone to marble in his collection?

1. 14 : 3
2. 1 : 3
3. 1 : 2
4. 1 : 1

Q.

How can we understand fractions?

1. Subtraction of consecutive numbers.

2. A Number written as a product

3. A number which is written like a division problem

4. Addition of consecutive number

Q. In the given figure, the total number of parts is 8.
i) The number of shaded parts is .
ii) The fraction represented by the figure is .

1. $3$
2. $\frac{3}{8}$
3. $\frac{8}{3}$
4. $5$

Q. John has 6 pieces of granite, 3 pieces of marble, 14 pieces of sandstone, and 1 piece of slate. What is the ratio of sandstone to marble in his collection?

1. 1 : 1
2. 1 : 3
3. 1 : 2
4. 14 : 3

Q.

What is ratio?

1. Comparison of two similar quantities

2. Product of two numbers

3. Addition of whole numbers

4. None of these

Q. Find the unit rate for the following data given in the following table:

1. 15 dollars
2. 14 dollars
3. 13 dollars
4. 12 dollars

Q. Two numbers are in the ratio $1\frac{1}{2}:2\frac{2}{3}$.When each one of these is increased by $15$, their ratio becomes $1\frac{1}{2}:2\frac{1}{2}$. The larger of the numbers is

1. $160$
2. $164$
3. $60$
4. $90$

Q. Check whether the given fractions are equivalent: $\frac{5}{9},\frac{30}{54}$

Q. In the given figure, the total number of parts is 8.
i) The number of shaded parts is .
ii) The fraction represented by the figure is .

1. $3$
2. $\frac{3}{8}$
3. $\frac{8}{3}$
4. $5$

Q. Match the following figures with the fractions represented by the shaded portion.

1. $\frac{4}{9}$
2. $\frac{2}{9}$
3. $\frac{3}{4}$

Q. Find the unit rate for the following data given in the following table:

1. 15 dollars
2. 14 dollars
3. 13 dollars
4. 12 dollars

Q. Express 16/20 as percentage.

1. 80%
2. 48%
3. 16%
4. 32%

Q.

How can we understand fractions?

1. A number which is written like a division problem

2. Addition of consecutive number

3. A Number written as a product

4. Subtraction of consecutive numbers.

Q. Match the following figures with the fractions represented by the shaded portion.

1. $\frac{4}{9}$
2. $\frac{2}{9}$
3. $\frac{3}{4}$

Q. the first term In A ratio is called

Q. There are $150$ birds in a zoo, out of which $45$ birds are migratory. $\frac{3}{5}$ of the total birds are of Indian origin. Which kind of birds are more in number in the zoo?