Same chapter4 marksDifficulty: Hard
The population of a town is 20,000 and it increases at 5% per annum. Find the population after 2 years.
Compound Interest
4 marksDifficulty: Hard
Find the difference between the compound interest and the simple interest on ₹8,000 for 2 years at 5% per annum.
Original Khojo Papers practice question — not from a past board paper.
Answer
₹20
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The simple interest is 8,000 × 5 × 2 ÷ 100 = ₹800 and the compound interest is ₹820, so the difference is ₹20. It also equals P(r/100)2 = 8,000 × 0.0025.
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