An investment of ₹20,000 grows exponentially and becomes ₹60,000 in 7 years.

MATHEMATICS · Multi-part · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

An investment of ₹20,000 grows exponentially and becomes ₹60,000 in 7 years. (i) Determine the continuous annual growth rate

k

(correct to four decimal places). (ii) Find the value of the investment after 10 years (correct to the nearest rupee).