NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and SolutionsQuestion 60
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and Solutions
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: \(\dfrac{1}{3}\times\dfrac{5}{4}=\dfrac{5}{12}\).