Question

on a
deposit of $2000 which earns $400
What rate of interest is paid
interest in 5 years?​

Answer 1

Answer:

S.I = PNR/100

400=2000×5×R/100

400×100/2000×5=R

20/5=R

R=4

Step-by-step explanation:

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Answer 2

➤ Correct Question :-

On a deposit of Rs.2000 which earns Rs.400 as interest. What rate of interest is paid interest in 5 years ?

➤ Given :-

Principle :- ₹ 2000

Simple Interest :- ₹ 400

Time :- 5 years

➤ To Find :-

Rate of interest of the given sum..............

➤ Formula required :-

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

➤ Solution :-

Rate of interest :-

${\tt \longrightarrow \dfrac{400 \times 100}{2000 \times 5}}$

${\tt \longrightarrow \dfrac{400 \times \cancel{100}}{\cancel{2000} \times 5} = \dfrac{400 \times 1}{20 \times 5}}$

${\tt \longrightarrow \dfrac{\cancel{400} \times 1}{\cancel{20} \times 5} = \dfrac{20 \times 1}{1 \times 5}}$

${\tt \longrightarrow \cancel \dfrac{20}{5} = \boxed{\tt 4 \bf\%}}$

$\Huge\therefore$The rate of interest on the given sum is 4 $\bf\%$.

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$\dashrightarrow$Some related formulas :-

Simple Interest :- ${\boxed{\tt\dfrac{P \times R \times T}{100}}}$

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

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 some money from a bank or a person. The person who gives money is called lender. The person who takes money is called borrower.
• Principle is 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 format.
• Time is given for borrower to return back the given money with the given interest.