RD Sharma Solutions Class 7 Percentage Exercise 11.1

RD Sharma Class 7 Solutions Chapter 11 Ex 11.1 PDF Free Download

RD Sharma Solutions Class 7 Chapter 11 Exercise 11.1

Exercise 11.1

Q1. Express each of the following per cents as fractions in the simplest forms:

(i) 45%

\(=\frac{45}{100}\\ =\frac{9}{20}\\\)

(ii) 0.25%

\(=\frac{0.25}{100}\\ =\frac{25}{10000}\\ =\frac{1}{400}\\\)

(iii) 150%

\(=\frac{150}{100}\\ =\frac{3}{2}\\\)

(iv) \(6\frac{1}{4}\)%

\(=\frac{6.25}{100}\\ =\frac{625}{10000}\\ =\frac{1}{16} \)

Q2. Express each of the following fractions as a per cent:

(i) \(\frac{3}{4}\)%

\(=\left(\frac{3}{4}\times100 \right )\%\\= 75\%\)

(ii) \(\frac{53}{100}\)%

\(=\left(\frac{53}{100}\times100 \right )\%\\= 53\%\)

(iii) \(1\frac{3}{5}\)%

\(=\frac{8}{5}\\=\left(1.6 \times100 \right )\%\\= 160\%\)

(iv) \(\frac{7}{20}\)%

\(=\left(\frac{7}{20}\times100 \right )\%\\= 35\%\)

Leave a Comment

Your email address will not be published. Required fields are marked *