NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and SolutionsQuestion 74
Class 7 - Mathematics - Unit 2: Fractions and Decimals - Problems and Solutions
Question. 74
Diameter of Earth is 12,756 km. In 1996, a new planet was discovered whose diameter is \(\dfrac{5}{86}\) of the diameter of Earth. Find the diameter of this planet in km.
Answer:
741.6 km (approximately)
Detailed Answer with Explanation:
Diameter \(=\dfrac{5}{86}\times12756\approx741.6\) km.