Question

suraj lent rs 6,000 to Vivek for 2 years and rs 15,000 to Ankit for 4 years at the same rate of interest. Total interest he received from both was rs 900. find the rate of interest.

Answer 1

Answer:

1.25% per annum

Step-by-step explanation:

Let say interest rate = r % per annum

SI from Vivek = 6000 * r * 2/100 = 120r

SI from ankit = 15000 * r * 4/100 = 600r

total interest = 120r + 600r = 720r

720r = 900

r = 90/72

r = 5/4

r = 1.25 % per annum

Answer 2

Answer:

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