If the interest of Tk.H of H% in 4years is Tk.H,Then H=?

If the interest of Tk.H of H% in 4years is Tk.H,Then H=? ?

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Institution: Bangladesh Development Bank Exam: Bangladesh Development Bank Ltd - Senior Officer - 24.11.2017
Topic: Arithmetic Mathematics (পাটিগণিত), Subject: Mathematics (সাধারণ গণিত)

Best Answer Explained in Below-:

To solve the question, we need to understand the relationship between principal amount (Tk.H), interest rate (H%), time (4 years), and the interest earned. The formula for calculating simple interest is:

\[ \text{Interest} = \frac{\text{Principal} \times \text{Rate} \times \text{Time}}{100} \]

In our case, the interest earned in 4 years is equal to the principal, which means:

\[ \text{Tk.H} = \frac{\text{Tk.H} \times H \times 4}{100} \]

To simplify this equation, divide both sides by Tk.H (assuming Tk.H ≠ 0):

\[ 1 = \frac{H \times 4}{100} \]

Now, multiply both sides by 100:

\[ 100 = 4H \]

Next, divide both sides by 4 to isolate H:

\[ H = \frac{100}{4} = 25 \]

Therefore, the rate of interest is H% = 25%. This confirms the answer choice A) 25 as the correct response. The equation illustrates how, with a principal amount generating interest equal to itself over 4 years, we derive the interest rate directly.

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Three workers X, Y and Z, are paid a total of Tk.5,500 for particular jobs. X paid 133.33% of the amount paid to Y and Y is paid 75% amount paid to Z.How much is paid to Z?

If the interest of Tk.H of H% in 4years is Tk.H,Then H=? ?

Three workers X, Y and Z, are paid a total of Tk.5,500 for particular jobs. X paid 133.33% of the amount paid to Y and Y is paid 75% amount paid to Z.How much is paid to Z?

The "pump" (A) / shut "off" (B) /as a "result" (C) "of a mechanical " (D) /failure.

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