Question

What rate gives Rs. 280 as interest on a sum of Rs. 56,000
in 2 years?
​

Answer 1

Answer:

⠀$\: \huge\boxed{\mathbb{\pink{\fcolorbox{red}{green}{ANSWER }}}}$⠀⠀

⠀$\: \huge\boxed{\mathbb{\red{\fcolorbox{pink}{pink}{Given~}}}}$⠀

• Rs. 280 as interest on a sum of Rs. 56,000.

⠀$\: \huge\boxed{\mathbb{\red{\fcolorbox{red}{orange}{To\:Find~}}}}$⠀

• Rate in 2 years.

⠀$\: \huge\boxed{\mathbb{\pink{\fcolorbox{green}{orange}{we\:know\:that~}}}}$⠀

• Intrest is rs. 56,000

⠀$\: \huge\boxed{\mathbb{\red{\fcolorbox{orange}{purple}{method~}}}}$⠀

• I = rs. 280
• P = rs. 56000
• T =2 years

⠀$\: \huge\boxed{\mathbb{\red{\fcolorbox{purple}{green}{Now}}}}$⠀

$l \times \frac{prt}{100}$

$280 \times \frac{56000 \times r \times 2}{100}$

$280 = 560 \times r \times 2$

$560 \times 2r = 280$

$r = \frac{280}{560 \times 2}$

$r = \frac{140}{560}$

$r = \frac{14}{56}$

$r = \frac{7}{28}$

$r = \frac{1}{4}$

$r = 0.25$

⠀$\: \huge\boxed{\mathbb{\green{\fcolorbox{red}{yellow}{Hence~}}}}$⠀

✬Rate of interest = 0.25%p.a.

Answer 2

Answer:

⠀$\: \huge\boxed{\mathbb{\pink{\fcolorbox{red}{green}{ANSWER }}}}$⠀⠀

⠀$\: \huge\boxed{\mathbb{\red{\fcolorbox{pink}{pink}{Given~}}}}$⠀

Rs. 280 as interest on a sum of Rs. 56,000.

⠀$\: \huge\boxed{\mathbb{\red{\fcolorbox{red}{orange}{To\:Find~}}}}$⠀

Rate in 2 years.

⠀$\: \huge\boxed{\mathbb{\pink{\fcolorbox{green}{orange}{we\:know\:that~}}}}$⠀

Intrest is rs. 56,000

⠀$\: \huge\boxed{\mathbb{\red{\fcolorbox{orange}{purple}{method~}}}}$⠀

I = rs. 280

P = rs. 56000

T =2 years

⠀$\: \huge\boxed{\mathbb{\red{\fcolorbox{purple}{green}{Now}}}}$⠀

$l \times \frac{prt}{100}$

$280 \times \frac{56000 \times r \times 2}{100}$

$280 = 560 \times r \times 2$

$560 \times 2r = 280$

$r = \frac{280}{560 \times 2}$

$r = \frac{140}{560}$

$r = \frac{14}{56}$

$r = \frac{7}{28}$

$r = \frac{1}{4}$

$r = 0.25$

⠀$\: \huge\boxed{\mathbb{\green{\fcolorbox{red}{yellow}{Hence~}}}}$⠀

✬Rate of interest = 0.25%p.a.