The formula for Simple Interest is PTR-100- whereP - PrincipalT - Time period in yearsR - Rate of interest per annum-

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Standard VIII

Mathematics

Interest

The formula f...

Question

The formula for Simple Interest is $\frac{P T R}{100}$ , where
P = Principal
T = Time period in years
R = Rate of interest per annum.

False

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True

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Solution

The correct option is B True

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Similar questions

Q. Write 'T' for true and 'F' for false

(i) Simple interest on Rs x for x years is Rs x. Then, the rate of interest is x% per annum.
(ii) Rate =

\frac{100 \times SI}{P \times T}

.
(iii) A sum doubles itself at simple interest at 10% per annum in 10 years.
(iv) Simple interest on Rs 1000 at 5% per annum for 73 days is Rs 10.

Find the simple interest, when:
(i) Principal $= R s .2000$ , Rate of Interest $= 5 %$ per annum and Time $= 5$ years.
(ii) Principal $= R s .500$ , Rate of Interest $= 12.5 %$ per annum and Time $= 4$ years.
(iii) Principal $= R s .4500$ , Rate of Interest $= 4 %$ per annum and Time $= 6$ months.
(iv) Principal $= R s .12000$ , Rate of Interest $= 18 %$ per annum and Time $= 4$ months.
(v) Principal $= R s .1000$ , Rate of Interest $= 10 %$ per annum and Time $= 73$ days.

Q. The simple interest on Rs 15000 for a time period at 8% per annum is Rs 2400.what will the compound interest on the same sum at the same rate for that time period.

Q. Fill in the blanks.

(i)

P = \frac{100 \times (. . . . . .)}{R \times T}

(ii)

R = \frac{100 \times SI}{(. . . . . .) \times T}

(iii) At (......)% per annum simple interest a sum doubles itself in 10 years.
(iv) At simple interest a sum becomes

\frac{6}{5}

of itself in

2 \frac{1}{2}

years. The rate of interest is (......)% per annum.

Q. What is the simple interest earned on a sum of ₹ 2000 at an interest rate of 5 % per annum for a period of 1 year?

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The formula for Simple Interest is PTR100, where P = Principal T = Time period in years R = Rate of interest per annum.

The correct option is B True

The formula for Simple Interest is $\frac{P T R}{100}$ , where
P = Principal
T = Time period in years
R = Rate of interest per annum.