Question
Find the rate of interest if amount after 2 years on
simple interest on a capital of Rs 1000 is Rs 1200.Solution
ATQ, SI = (P × R × T)/100 SI = (1000 × R × 2)/100 SI = 20R = SI + P ⇒ 1200 = 20R + 1000 ⇒ 200 = 20R ⇒ R = 10%
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