Question

A sum of Rs. 22500 deposited at compound
interest becomes double after 5 years. After
20 years it will become-
22500 रू. की धनराशि चक्रवृद्धि ब्याज पर निवेश
1 की जाती है तो 5 वर्ष में दोगुनी हो जाती है। 20
वर्षों बाद यह हो जायेगी-
(A) Rs. 320000 (B) Rs 340000
(C) Rs. 360000 (D) Rs 350000​

Answer 1

Answer:

sum = 22500

compound rate = 5% p.a

given : sum becomes double after after 5 years

To Find :

Growth of the deposited amount after 20 years with 5 % compound interest.

Step-by-step explanation:

After 5 years :

sum = 2 × 22500

therefore , after 20 years (with 5%compounding) the amount will be :

• sum = 16 × 22500 (here , 16 de notes the multipled value x2 times within every 5 years)

After 20 years :

sum = 350000

Ans: D

Hope it helped , cheers!!