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Course: Class 7 > Unit 9

Lesson 3: Comparing Quantities 7.2
Math
Class 7
Comparing Quantities
Comparing Quantities 7.2
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Comparing Quantities 7.2

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Problem

You want to save ₹120,000 to buy your first self-driving magic carpet. You deposit ₹80,000 in a bank at an interest rate of 5% per annum.
How many years do you have to wait before you can buy your magic carpet?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
years