Question

the sum of 39000 rupees is lent for 9 month @15%. find the interest?​

Answer 1

➤ Given :-

Principle :- ₹ 39000

Time :- 9 months = 0.75 years

Rate of interest :- 15%

➤ To Find :-

Simple Interest on the given sum.............

➤ Formula required :-

${ \large \tt \dashrightarrow \orange{ \boxed{ \tt \gray{ \dfrac{P \times R \times T}{100} }}}}$

➤ Solution :-

$\tt \dashrightarrow \dfrac{39000 \times 15 \times 0.75}{100}$

${ \tt \longrightarrow \dfrac{ \cancel{39000} \times 15 \times 0.75}{ \cancel{100}} = \boxed{ \tt \: 390 \times 15 \times 0.75}}$

${\tt \longrightarrow \sf rs \tt \: \: 4387.5}$

$\Huge\therefore$The simple Interest of the given sum is ₹ 4387.5.

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$\dashrightarrow$Some related formulas :-

Principle :- ${\boxed{\tt\dfrac{SI \times 100}{R \times T}}}$

Rate of interest :- ${\boxed{\tt\dfrac{SI \times 100}{P \times T}}}$

Time :- ${\boxed{\tt\dfrac{SI \times 100}{P \times R}}}$

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More to know....................

• Simple interest is the extra amount to be given when a person borrows money from a bank or a person. The lender is one who gives money and the borrower is one who takes money.
• Principle os the amount given at first from lender to borrower.
• Rate of interest is the extra amount to be given from borrower to lender. It is always written in percentage form.
• Time is given for borrower to return back the money with the given interest.