Question

find the compound interest on rupees 1000 at the. rate of 10% per annum for 18 months .when interest is compounded half yearly ​

Answer 1

Step-by-step explanation:

if c.i is compounded half yearly means c.i calculated for 6 months and rate of intrest becomes half

T=3 years, r=5%

for 1st year c.i at 5% of 1000 is=50rs

for 2nd year c.i at 10% of 1050 is=52.5 rs

for 3rd year c.i at 5% of 1102.5 is=55.125

total c.i for 3 years=50+52.5+55.125=157.625rs

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