mahesh deposits a portion of ₹ 600 at 16% and the remaining at 18% per annum simple interest an annual income from the interest is ₹ 1015 ,How much did he deposits at each rate?
Answers
Given : mahesh deposits a portion of ₹ 600 at 16% and the remaining at 18% per annum simple interest an annual income from the interest is ₹ 101.5
To find : How much did he deposits at each rate
Solution:
Let say Portion deposited at 16 % = A Rs
then Portion deposited at 18% = 600 - A Rs
Simple interest = P * R * T /100
Interest on Rs A = A * 16 * 1 /100 = 16A/100 Rs
Interest on Rs 600 - A = (600 - A) * 18 * 1/100 = 108 - 18A/100 Rs
Total interest = 16A/100 + 108 - 18A/100 = 108 - 2A/100
108 - 2A/100 = 101.5
=> 2A/100 = 6.5
=> 2A = 650
=> A = 325
600 - A = 275
mahesh Deposited RS 325 at 16 % & 275 at 18 %
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Answer:
415, 2%
Step-by-step explanation: