NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and Solutions

Question 106

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.