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Question

Mathematics Question on Simple Interest

Vibhuti bought a car worth ₹10,25,000 and made a down payment of ₹4,00,000. The balance is to be paid in 3 years by equal monthly installments at an interest rate of 12% p.a. The EMI that Vibhuti has to pay for the car is:
(Use (1.01)36=0.7(1.01)^{-36} = 0.7)

A

₹20,700.85

B

₹27,058.87

C

₹25,708.89

D

₹20,833.33

Answer

₹20,833.33

Explanation

Solution

The formula for EMI is:
EMI=Pr(1+r)n(1+r)n1EMI = P \cdot \frac{r(1 + r)^n}{(1 + r)^n - 1},
where:
PP: Loan amount =6,25,000= 6,25,000,
rr: Monthly interest rate =1212%=1%=0.01= \frac{12}{12}\% = 1\% = 0.01,
nn: Loan tenure in months =36= 36.
Substituting the values:
EMI=6,25,0000.01(1+0.01)36(1+0.01)361EMI = 6,25,000 \cdot \frac{0.01(1 + 0.01)^{36}}{(1 + 0.01)^{36} - 1}.
Given:
(1.01)36=0.7    (1.01)36=10.7=1.4286(1.01)^{-36} = 0.7 \implies (1.01)^{36} = \frac{1}{0.7} = 1.4286.
Simplify:
EMI=6,25,0000.011.42861.42861EMI = 6,25,000 \cdot \frac{0.01 \cdot 1.4286}{1.4286 - 1}.
Numerator:
0.011.4286=0.0142860.01 \cdot 1.4286 = 0.014286.
Denominator:
1.42861=0.42861.4286 - 1 = 0.4286.
Simplify the fraction:
0.0142860.42860.03333\frac{0.014286}{0.4286} \approx 0.03333.
Thus:
EMI=6,25,0000.03333=20,833.33EMI = 6,25,000 \cdot 0.03333 = 20,833.33.
Final Answer:
20,833.33