Question

Hari borrowed rupee 12600 from a moneylender at 15% p.a. Simple interest. After 3 years, he paid rupee 7070 and gave a cow to clear of the debt. What is the cost of the cow.?

Answer 1

principle=12600
time. = 3 years
p.a. = 15%
S.I. = 12600*3*15/100
=5670
amount = principle + interest
= 12600+5670
= 18270

amount. = 7070 + cow
cow. = 18270-7070
= 11200


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Answer 2

hєч mαtє✌✌
hєrє íѕ ur αnѕwєr ✍✍

●INTEREST = Interest is the price paid by a borrower for the use of a lender's money.

TYPE OF INTEREST----- there are 2 type of interest--
●Simple Interest
●Compound Interest

♥Simple Interest = Simple interest is the computed on the principal for the entire period of borrowing.
Formula -----
I = Pit
A = P + I
I = A - P

here
I = Amount of Interest
P = principal ( initial value of an investment)
A = Accumulated amount ( Final value of an investment)
i = Annual interest rate in decimal
t = time in years

♥Compound Interest = compound interest as the interest that accrues when earnings for each specified period of time added to the principal thus increasing the principal base on which subsequent interest is compound.

Formula -
A = p (1 + i)^n
where,
i = Annual rate of interest
n = Number of conversion period per year
INTEREST = An - P
or
= P ( 1 + i)^n - P

Let, move to ur Question -----

ɢɪᴠᴇɴ -----
ᴩ = ₹ 12600
R = 15%
T = 3 years


we know that ------
SI = PRT /100
= 12600 ×15 ×3 /100
= ₹ 5670



Total amount to be paid = 12600 + 5670
after 3 years
= ₹ 18270



cost of cow = total amount - amount paid by
hari
= ₹18270 - ₹7070
= ₹ 11 , 200

ʜᴏᴩᴇ ɪᴛ ʜᴇʟᴩꜱ ᴜ
ꜰᴇᴇʟ ꜰʀᴇᴇ ᴛᴏ ᴀꜱᴋ ᴀɴy qᴜᴇʀy ❤❤