Question

the interest on a certain sum of money is rs.2900 in 4 yrs and at 10%per yr. find the sum and amount​

Answer 1

$\star\:\:\:\bf\large\underline\blue{Given:—}$

☞︎︎︎ some of money (P) = Rs.2900

☞︎︎︎ Time (T) = 4 years

☞︎︎︎ Rate (R) = 10%

$\star\:\:\:\bf\large\underline\blue{To\: find:—}$

sum of the money=?

$\star\:\:\:\bf\large\underline\blue{Solution:—}$

$\orange{\bold{\underline{\underline{Consider\:P=Rs.X}}}}$

$\star\:\:\:\bf\large\underline\green{Formula:–Interest=P×T×R/100}$

☞︎︎︎ I = X × 4 × 10/100

☞︎︎︎ I = 2x/5

$\red{\bold{\underline{\underline{ATQ:–}}}}$

➪ 2x/5 = 2900

➪ x = 7250

Therefore, the money = Rs.7250

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