Question

Calculate the simple interest on Rs2800 at 10%p.a.for 6 months​

Answer 1

$\large \underline \bold{QuesTion :-}$

$\star$Calculate the simple interest on Rs2800 at 10%p.a.for 6 months.

$\large \underline \bold{GivEn:-}$

• Principle (p) = 2800 Rs
• Rate (r) = 10%
• Number of years = 6 months = 0.5 year

$\large \underline \bold{SoluTion :-}$

we know that,

$\rm \: simple \: interset(si) = \frac{PNR}{100} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \ = \frac{2800 \times 10 \times 0.5}{100}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{ \cancel{2800} \times 5}{ \cancel{100}}$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 28 \times 5$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 140$

$\therefore \: \sf \red{so \: the \: simple \: interest \: is \: 140 Rs \: .}$

Answer 2

Answer:

$principal = 2800 \\ rate \: of \: interest = 10\%p.a \\ time = 6 \: months \\ = \frac{6}{12} yrs \\ = \frac{1}{2} yrs \\ \\ simple \: interest = ( \frac{p \times r \times t}{100} ) \\ = \frac{2800 \times 10 \times 1}{100 \times 2} \\ = 28 \times 5 \\ = 140$

simple interest on Rs2800 at 10%p.a.for 6 months is 140 Rs.

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