Haryana State Board HBSE 7th Class Maths Solutions Chapter 2 Fractions and Decimals InText Questions and Answers.

## Haryana Board 7th Class Maths Solutions Chapter 2 Fractions and Decimals InText Questions

Try These (Page 34):

Question 1.

If the product is an improper fraction express it as a mixed fraction.

Find

(a) \(\frac{2}{7}\) x 3

(b) \(\frac{9}{7}\) x 6

(c) 3 x \(\frac{1}{8}\)

(d) \(\frac{13}{11}\) x 6

Solution:

Question 2.

Represent pictorially : 2 x \(\frac{2}{5}=\frac{4}{5}\)

Solution:

Try These (Page 34):

Question 1.

Find

(i) 5 x 2\(\frac{3}{7}\)

(ii) 1\(\frac{4}{9}\) x 6

Solution:

Try These (Page 35):

Question 1.

Can you tell, what is

(i) \(\frac{1}{2}\) of 10 = ?

(ii) \(\frac{1}{4}\) of 16 = ?

(iii) \(\frac{2}{5}\) of 25 = ?

Solution:

(i) \(\frac{1}{2}\) of 10 = 5

(ii) \(\frac{1}{4}\) of 16 = 4

(iii) \(\frac{2}{5}\) of 25 = 2 x 5 = 10

Try These (Page 39):

Question 1.

Fill in these boxes :

Solution:

Try These (Page 40):

Question 1.

Find

(i) \(\frac{1 \times 4}{3 \times 5}\)

(ii) \(\frac{2 \times 1}{3 \times 5}\)

Solution:

(i) \(\frac{1 \times 4}{3 \times 5}=\frac{4}{15}\)

(ii) \(\frac{2 \times 1}{3 \times 5}=\frac{2}{15}\)

Try These (Page 40):

Question 1.

Find

(i) \(\frac{8}{3} \times \frac{4}{7}\)

(ii) \(\frac{3}{4} \times \frac{2}{3}\)

Solution:

(i) \(\frac{8 \times 4}{3 \times 7}=\frac{32}{21}\)

(ii) \(\frac{3 \times 2}{4 \times 3}=\frac{2}{4}=\frac{1}{2}\)

Try These (Page 45):

Question 1.

Find

(i) 7 ÷ \(\frac{2}{5}\)

(ii) 6 ÷ \(\frac{4}{7}\)

(iii) 2 ÷ \(\frac{8}{9}\)

Solution:

Try These (Page 45):

Question 1.

Find

(i) 6 ÷ 5\(\frac{1}{3}\)

(ii) 7 ÷ 2\(\frac{4}{7}\)

Solution:

(i) \(\frac{6}{1} \div \frac{16}{3}=\frac{6}{1} \times \frac{3}{16}=\frac{3 \times 3}{1 \times 8}=\frac{9}{8}\)

(ii) \(7 \div \frac{18}{7}=7 \times \frac{7}{18}=\frac{49}{18}\)

Try These (Page 45):

Question 1.

Find

Solution:

Try These (Page 46):

Question 1.

Look at the following table and fill up the blank spaces :

Using this table you can write a decimal number in its expanded form also. For example 253.417

= 2 x 100 + 5 x 10 + 3 x 1 + 4 x (\(\frac{1}{10}\)) + 1 x (\(\frac{1}{100}\)) + 7 x (\(\frac{1}{1000}\)). So, a decimaln number and its expanded form can be written if the place values of the digits are known to us.

Solution:

Try These (Page 50):

Question 1.

1. Find: (i) 2.7×4

(ii) 1.8 x 1.2

(iii) 2.3 x 4.35

2. Arrange the products obtained in (1) in descending order.

Solution:

1.(i) 2.7 x 4 = 10.8

(ii) 1.8 x 1.2 = 2.16

(iii) 2.3 x 4.35 = 10.005

2. 10.8 > 10.005 > 2.16.

Try These (Page 51):

Question 1.

Find :

(i) 0.3 x 10

(ii) 1.2 x 100

(iii) 56.3 x 1000

Solution:

(i) 0.3 x 10 = 3

(ii) 1.2 x 100 = 120

(iii) 56.3 x 1000 = 56300

Try These (Page 53):

Question 1.

Find :

(i) 235.4 ÷ 10

(ii) 235.4 ÷ 100

(iii) 235.4 ÷ 1000

Solution:

(i) \(\frac{235.4}{10}\)= 23.54

(ii) \(\frac{235.4}{100}\) = 2.354

(iii) \(\frac{235.4}{1000}\) = 0.2354

Try These (Page 53):

Question 1.

Find : (i) 35.7 ÷ 3 = ?

(ii) 25.5 ÷ 3 = ?

Solution:

(i) 35.7 ÷ 3 = 11.9,

(ii) 25.5 ÷ 3 = 8.5

Try These (Page 53):

Question 1.

Find : (i) 43.15 ÷ 5 = ?

(ii) 82.44 ÷ 6 = ?

Solution:

(i) 43.15 ÷ 5 = 8.63,

(ii) 82.44 ÷ 6 = 13.74

Try These (Page 53):

Question 1.

Find : (i) 15.5 ÷ 5 (ii) 126.35 ÷ 7

Solution:

(i) \(\frac{15.5}{5}\) = 3.1

(ii) \(\frac{126.35}{7}\) = 18.05

Try These (Page 54):

Question 1.

Find

(i) \(\frac{7.75}{0.25}\)

(ii) \(\frac{42.8}{0.02}\)

(iii) \(\frac{5.6}{1.4}\)

Solution:

(i) \(\frac{7.75}{0.25}=\frac{775}{25}\) = 31

(ii) \(\frac{42.8}{0.02}=\frac{4280}{2}\) = 2140

(iii) \(\frac{5.6}{1.4}=\frac{56}{14}\) = 4