3,000 रुपये की राशि चक्रवृद्धि ब्याज (वार्षिक रूप से संयोजित) की एक निश्चित दर पर 2 वर्षों में 4,320 रुपये हो जाती है। यह राशि 4 वर्षों के बाद कितनी हो जाएगी?

A person invested Rs. 2,000 in a bank at a rate of 5% per annum for 2 years. What is the compound interest he will get?

What is the compound interest (in ₹) on a sum of ₹18,000 at 20% per annum for 234 years, compounded annually?