Question

Find the simple interest.
A. P= 1,200, R = 5%. T = 2 years.
B. P= 73,500, R = 10%. T = 5 years.
C. P = 15,000, R = 8%. T = 4 years.
D. P = 25,000, R = 10%. T = 10 years.​

Answer 1

(A) Simple Interest =₹120

(B)Simple Interest =₹36750

(C) Simple Interest =₹4800.

(D)Simple Interest = ₹25000

Step-by-step explanation:

Point to be Remembered-

Simple Interest=$\frac{time×rate×principal}{100}$

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Solution -

A.$\rightarrow$ P= 1,200, R = 5%. T = 2 years.

$= \frac{1200 \times 5 \times 2}{100} \\ \\ = \frac{12 \times 5 \times 2}{1} \\ \\ = 12 \times 10 \\ \\ 120$

Simple Interest = ₹120.

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B.$\rightarrow$ P= 73,500, R = 10%. T = 5 years.

$= \frac{73500 \times 10 \times 5}{100} \\ \\ = 735 \times 10 \times 5 \\ \\ =3,6750$

Simple Interest = ₹36750.

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C.$\rightarrow$ P = 15,000, R = 8%. T = 4 years.

$= \frac{15000 \times8 \times 4 }{100} \\ \\ = 150 \times 8 \times 4 \\ \\ = 150 \times 32 \\ \\ = 4,800$

Simple Interest = ₹4800.

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D.$\rightarrow$ P = 25,000, R = 10%. T = 10 years.

$= \frac{25000 \times 10 \times 10}{100} \\ \\ = 250 \times 10 \times 10 \\ \\ = 250 \times 100 \\ \\ = 25000$

Simple Interest = ₹25000.