Question

111
2. a) Find the rate of interest when simple interest on 1560 in 3 years is 585.
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Answer 1

Answer:

Rate of Interest, r = 12.5

Step-by-step explanation:

Given:

SI = 585

n = 3 years

p = 1560

r = ?

Solution:

SI = pnr/100

585 = 1560×3×r/100

r = (585×100) / (1560×3)

r = 12.5