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A sum of 12,000 deposited at compound interest
becomes double after 5 years. After 20 years, it will
become
(a) 48,

By Evelyn

A sum of 12,000 deposited at compound interest
becomes double after 5 years. After 20 years, it will
become
(a) 48,000
(c) 1,90,000
(b) 96,000
(d) 1,92,000
with STEP—BY—STEP EXPLANATION​

About the author
Evelyn

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1 thought on “A sum of 12,000 deposited at compound interest<br />becomes double after 5 years. After 20 years, it will<br />become<br />(a) 48,”

  1. Answer:1,92,000

    Step-by-step explanation:

    The formula for the compound interest is –

    [tex]p(1 + \frac{r}{100})t[/tex]

    Using this formula, we get the total amount

    Here, P = 12000, R = R and T = 5.

    Now, we need to calculate the amount after 20 years.

    So, Amount = [tex]12000(1+\frac{r}{100} )20[/tex]

    As we know the value of , so breaking 20=5×420=5×4

    = [tex]12000((1+\frac{r}{100} )^{5} )^{4}[/tex]

    = [tex]12000(2)^{4}[/tex]

    = 12000×16

    = 192000

    Reply

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