Question
An individual invests ₹1,200 at a simple interest rate
of 5% per annum. After 2 years, they add ₹800 to the investment, and the total amount remains invested for another 3 years at the same rate. What is the total interest earned from both investments over the 5-year period?Solution
Interest on the Initial Deposit of 1,200 for the First 2 Years 
Principal after 2 Years = 1200 + 120 = 1320 And 800 is added additionally Total principal for investing for next 3 years = 1320+800 = 2120 Interest on the 2120 for the Remaining 3 Years 
total interest earned over the entire 5-year period = 120+318 = 438
The income of person P is 20% higher than that of person Q. If Q spends 82% of his income, which amounts to ₹14,760, determine ...
In 2023, Department D overspent by 10% of its allocated budget. What is the total expenditure of Department D after the overspending?
Maximize Z = 3x + 5y
Subject to:
x – y ≥ 2
x + y ≥ 4
x, y ≥ 0
What can be concluded about the feasible region?
(76.98% of 599.98) ÷ 20.99 = ? + 7.98% of 199.99
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Let a point P(at² , 2at)lie on parabola y² = 4ax. The line joining P and focus intersects the directrix at M. If t=2, then the coordinates of M are:...
