Find the rate percent per annum if Rs. 2000 amount to Rs. 2662 in 1
years, interest being compounded half-yearly?
Given,
Principal = Rs.2000
Amount = Rs.2662
Time = 1-
years = 
Let rate = R% per annum , 
So,
A = 
= 
= 
= 
= 
= 
Hence ,
Rate = 20% per annum
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