NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and Solutions
Question 60

Question. 60

Renu completed \(\dfrac{2}{3}\) part of her home work in 2 hours. How much part of her home work had she completed in \(1\dfrac{1}{4}\) hours?

Answer:

\(\dfrac{5}{12}\) part

Detailed Answer with Explanation:

Rate = \(\dfrac{2/3}{2}=\dfrac{1}{3}\) per hour. In \(1\tfrac{1}{4}=\dfrac{5}{4}\) h: \(\dfrac{1}{3}\times\dfrac{5}{4}=\dfrac{5}{12}\).

NCERT Exemplar Solutions Class 7 – Mathematics – Unit 2: Fractions and Decimals – Problems and Solutions | Detailed Answers