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1. A sum of TK. 24,500 amounts to TK. 34,300 in 5 years at a simple interest rate. What is the rate of interest ?

  • A. 5%
  • B. 5%
  • C. 5%
  • D. 5%

Answer: Option D

Explanation:

সুদ = ( 34300 - 24500) বা 9800 টাকা

আমরা জানি, I = pnr

9800 = 24500 × 5 × r/100

r = 9800/1225

r = 8


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