Question

2. Calculate the amount and the compound
interest on:

w) 8,000 in 5/2 years at 15% per annum​

Answer 1

Answer:

it's Utkarsh Pratham

ok....if it helps you then mark me brainliest

Step-by-step explanation:

See,

given,

P=800

T=5/2 yrs

R=15%

now,

Given

P=₹8000

R=15%p.a.

T=2yr and 4 months

So first we will calculate for 2 yrs

A= p(1+r/100)^n

A=8000(1+15/100)²

A=8000(115/100)²

A=8000 x 115/100 x 115/100

A=8x115x115x/10

A=₹10580

Now for next 4 months rate will be according to time

Interest = pxrxt /100

Here P= amount we got after 2 years I.e. =10580

R=5%

T=1

=10580x5x1/100

=₹529

Amount after 2yr and 4 months =10580+529

=₹11109

Compound interest = amount - principal

=11109-8000

=₹3109

hopes,

if it helps then please mark me brainliest

Answer 2

Answer:

Amount = 8000× (1+15/100)²(1+7.5/100)

=> 8000×115/100×115/100×107.5/100

=> 11373500/1000 => 1137.50

compound interest = 11373.50- 8000 => 3373.50