NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 7: Comparing Quantities - Problems and SolutionsQuestion 110
Class 7 - Mathematics - Unit 7: Comparing Quantities - Problems and Solutions
Question. 110
Dhruvika invested money for a period from May 2006 to April 2008 at rate of 12% per annum. If interest received by her is ₹ 1620, find the money invested.
Answer:
₹ 6750
Detailed Answer with Explanation:
Time = 2 years. SI = 1620. SI = P × R × T /100 = P × 12 × 2 /100 = 0.24P.
1620 = 0.24P ⇒ P = 6750.