Find the principal if the money is paid in 2 equal installments of Rs. 4851 at the end of each year with the interest rate of 10% per annum for the 1^st year and 5% for the 2^nd year.

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Solution

Let ‘X’ be the principal amount,

$X = \frac{4851}{\frac{110}{100}} + \frac{4851}{\frac{110}{100} \times \frac{105}{100}}$

$\Rightarrow X = \frac{4851}{\frac{11}{10}} + \frac{4851}{\frac{231}{200}}$

X = 4410 + 4200 = Rs. 8610

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Find the principal if the money is paid in 2 equal installments of Rs. 4851 at the end of each year with the interest rate of 10% per annum for the 1st year and 5% for the 2nd year.

Let ‘X’ be the principal amount, X=4851110100+4851110100×105100 ⇒X=48511110+4851231200 X = 4410 + 4200 = Rs. 8610

Find the principal if the money is paid in 2 equal installments of Rs. 4851 at the end of each year with the interest rate of 10% per annum for the 1^st year and 5% for the 2^nd year.

Let ‘X’ be the principal amount,

$X = \frac{4851}{\frac{110}{100}} + \frac{4851}{\frac{110}{100} \times \frac{105}{100}}$

$\Rightarrow X = \frac{4851}{\frac{11}{10}} + \frac{4851}{\frac{231}{200}}$

X = 4410 + 4200 = Rs. 8610