NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and SolutionsQuestion 106
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and Solutions
Question. 106
The three scales below are perfectly balanced if • = 3. What are the values of Δ and *?
Answer:
Δ = 7, * = 4
Detailed Answer with Explanation:
Using balance equations and substituting • = 3, solving step by step gives Δ = 7 and * = 4.