Question

find the rate of compound interest the principal amount was invested for 3 years the interest and is rupees 1556​

Answer 1

Answer:

Correct option is

D

Both I and II are not sufficient to answer

Let Principal =Rs.P and Rate=R% p.a. Then,

Amount=Rs.[P(1+

100

R

)

4

]

∴C.I.=P[(1+

100

R

)

4

−1]

⇒P[(1+

100

R

)

4

−1]=1491.

Clearly, it does not give the answer.

∴ Correct answer is (D).

Answer 2

Given:

Let Principal =RS .P and Rate=R% p.a. Then,

$\text { Amount }=\text { Rs. }\left[\mathrm{P}\left(1+\frac{\mathrm{R}}{100}\right)^{3}\right]$

$\therefore \text { C.I. }=\mathrm{P}\left[\left(1+\frac{\mathrm{R}}{100}\right)^{3}-1\right]$

$\Rightarrow \mathrm{P}\left[\left(1+\frac{\mathrm{R}}{100}\right)^{4}-1\right]=1556$

it does not give the answer.

hence the given question are not sufficient to the answer.