Question

find the amount and the ci of Rs 18000 for 2 years at 5 %. per annum compound annually ​

Answer 1

Answer:

1845

Step-by-step explanation:

CI =P(1+R/100)^n -P

then Principal=18000

rate =5%

and time =2years

then 18000(1+5/100)^2-18000

18000×21/20×21/20 - 18000

then 45×21×21 -1800

19845-18000

=1845 Ans

Answer 2

Answer:

$\mathfrak{ \green{ \huge{given : }}}$

ᴘʀɪɴᴄɪᴘᴀʟ = ʀs. 18000

ʀᴀᴛᴇ = 5%

ᴛɪᴍᴇ = 2 ʏᴇᴀʀs

$\mathfrak{ \green{ \huge{solution : }}}$

$\boxed{ \large{amount \: = p \times ( { 1 + \frac{r}{100} })^{t} }}$

$amount = 18000 \times( {1 + \frac{5}{100} })^{2} \\ amount = 18000 \times ( { \frac{100 + 5}{100} })^{2} \\ amount = 18000 \times ( { \frac{105}{100} })^{2 } \\ amount = \frac{18000 \times 105 \times 105}{100 \times 100} \\ amount = 9 \times 21 \times 105 \\ amount \: = Rs.19845$

$compound \: interest \: = amount \: - principal \\ compound \: interest = 19845 - 18000 =1845$

$\mathfrak{ \pink{ \huge{hence : }}}$

$\boxed{ \underline{ \large{the \: amount \: is \: Rs.19845. }}}$

$\boxed{ \underline{ \large{ the \: compound \: interest \: is \: Rs.1845.}}}$

$\mathfrak{ \purple{ \underline{ \underline{ \huge{⛄❤HOPE \: IT \: HELPS ⛄❤}}}}}$