the difference between the compound interest and the simple interest accured on an amount of Rs.18000 in 2 years was Rs.405.what was the rate of interest per annum
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Let the rate be R% p.a. Then,
=18001+R1002-1800-1800*R*2100=405
= 1800100+R210000-1-2R100=405
= 1800100+R2-10000-200R10000=405
= 95*R2=405 ⇔R2=405*59=225⇔R=15
Rate = 15%.
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=18001+R1002-1800-1800*R*2100=405
= 1800100+R210000-1-2R100=405
= 1800100+R2-10000-200R10000=405
= 95*R2=405 ⇔R2=405*59=225⇔R=15
Rate = 15%.
I hope the answer was helpful to you If it was please mark it as brainlist ❤️
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