NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and Solutions
Question 79

Question. 79

\(\dfrac{1}{8}\) of a number equals \(\dfrac{2}{5}\div\dfrac{1}{20}\). What is the number?

Answer:

64

Detailed Answer with Explanation:

Right side: \(\dfrac{2}{5}\div\dfrac{1}{20}=\dfrac{2}{5}\times20=8\). So \(\dfrac{1}{8}\times N=8\Rightarrow N=64\).