NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and Solutions
Question 68

Question. 68

Anvi is making bookmarker like the one shown in Fig. 2.6. How many bookmarker can she make from a 15 m long ribbon?

bookmark length diagram

Answer:

142 book marker

Detailed Answer with Explanation:

Each bookmark length = \(10\tfrac{1}{2}\,\text{cm}=10.5\,\text{cm}\). Ribbon = \(15\,\text{m}=1500\,\text{cm}\). Count = \(\left\lfloor \dfrac{1500}{10.5} \right\rfloor=142\).

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