annur il Rs 7500 becomes Robooo in s years then find the rate of interest ofer BX​

Question

annur
il Rs 7500 becomes Robooo in s years
then find the rate of interest ofer
BX​

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Ella 3 weeks 2021-09-04T18:02:22+00:00 1 Answer 0 views 0

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    0
    2021-09-04T18:03:57+00:00

    Answer:

    The rate of interest = 6%

    Step-by-step explanation:

    The formula for compound interest

    A=P[1+\frac{R}{100}]^{N}A=P[1+100R]N

    A – Amount

    P – principle amount

    R – rate of interest

    N – number of years

    To find Rate of interest

    Here A = 8427, P = 7500, R = ?, and N = 2

    By using the formula,

    8427=7500[1+\frac{R}{100}]^{2}8427=7500[1+100R]2

    \frac{8427}{7500}=[1+\frac{R}{100}]^{2}75008427=[1+100R]2

    [1+\frac{R}{100}]^{2}=\frac{8427}{7500}[1+100R]2=75008427

    1+\frac{R}{100}=\sqrt{\frac{8427}{7500}}1+100R=75008427

    1+\frac{R}{100}=1.061+100R=1.06

    \frac{R}{100}=1.06-1100R=1.06−1

    \frac{R}{100}=0.06100R=0.06

    R = 6%

    Therefore the rate of interest = 6%

    hope it helps you

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