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Find the C.I for the data given below:
 
(i) Principal = ₹30000, r = 7\% for I year, r = 8\% for II year, compounded annually.
 
Compound Interest =
 
(ii) Principal = ₹10000, r = 8\% p.a, n = 2 \frac{3}{4} years, interest compounded yearly.
 
Compound Interest =