Apt Compound Interest — Free Aptitude Tutorial
Learn Apt Compound Interest in Aptitude with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
TL;DR: Learn Apt Compound Interest in Aptitude with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
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Apt Compound Interest in Aptitude
Compound Interest: Interest calculated on the initial principal AND the accumulated interest. A = P(1 + R/100)^T.
CI = A - P = P[(1 + R/100)^T - 1].
CI for 2 years = P × R/100 × (2 + R/100). For 3 years expand accordingly.
Difference between CI and SI for 2 years = P(R/100)². For 3 years: P(R/100)²(3 + R/100).
Half-yearly compounding: Rate becomes R/2, Time becomes 2T. Quarterly: Rate R/4, Time 4T.
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