Question

find the simple interest and amount on 1)Rs.250 for years at the rate of6% p.a 2)Rs.900 for 2years at the rate of 11%p.a 3)Rs.1800 for 2years at the rate of 7% p.a. 4)Rs.800 for 3 years at the rate of 2% per annum

Answer 1

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PRINCIPAL = P

RATE = R

TIME = N

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SIMPLE INTEREST :

P * N * R / 100

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AMOUNT :

SI + PRINCIPAL

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1.

P = 250

N = NOT GIVEN = X

R = 6

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SI = 250 * X * 6 / 100

SI = 15X

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AMOUNT :

15X + 250

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2)

P = 900 RS

N = 2 yrs

R = 11 %

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SI = 900 * 2 * 11 / 100

SI = 198 RS

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AMOUNT = 198 + 900

1098 RS

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3.

P = 1800 RS

N = 2 YRS

R = 7%

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SI = 1800 * 2 * 7 / 100

SI = 252 RS

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AMOUNT = SI + PRINCIPAL

AMOUNT = 252 + 1800

AMOUNT = 2052 RS

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4)

P = 800 RS

N = 3 YRS

R = 2%

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SI = 800 * 3 * 2 / 100

SI = 48 RS

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AMOUNT = 48 + 800

AMOUNT = 848 RS

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