NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and SolutionsQuestion 71
Class 7 - Mathematics - Unit 4: Simple Equations - Problems and Solutions
Question. 71
The interest received by Karim is ₹30 more than that of Ramesh. If the total interest received by them is ₹70, find the interest received by Ramesh.
Answer:
₹20
Detailed Answer with Explanation:
Let Ramesh = x, Karim = x + 30.
x + (x + 30) = 70 ⇒ 2x + 30 = 70 ⇒ 2x = 40 ⇒ x = 20.