The difference between the compound interest and simple interest on a certain amount of money at 5% per annum for 2 years is Tk. 15. Find the principal amount.

A Tk. 4,500
B Tk. 7,500
C Tk. 5,000
D Tk. 6,000

Correct Answer: Tk. 6,000

I1 = pnr   =  p×2×51200 = p10 c  = p  1  +  51002   = 1.1025p  I2 = 1.1 .25p  -  p =  0 .1025p  শর্তমতে, 0.1025p  -  p10  = 15  ⇒0.1025p  = 150 ∴p = 6000
Bissoy MCQ
#গণিত #সরল ও যৌগিক মুনাফা  (Simple & Compound interest) #National Bank Ltd #National Bank Ltd - Probationary Officer - 22.05.2015

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