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## Class 8 Math (Assamese)

### Unit 7: Lesson 4

Compound Interest

# Word problems on compound interest

## Problem

I have a cockroach problem in my living room. Don't ask how, but I counted 125 cockroaches today. And they are growing at a rate of 20, percent every day.
How many cockroaches do you think I'll have after three days?
cockroaches
Stuck?
Stuck?