India’s No.1 Educational Platform For UPSC,PSC And All Competitive Exam

Download Our App

Alipta got some amount of money from her father. In how many years will the ratio of the money and the interest obtained from it be 10:3 at 6% simple interest per annum ?

17 years
23 years
35 years
44 years

Answer:- 1

Explanation:-

Solution:

\begin{aligned} Let principal and SI is \\ = 10 x, 3 x \\ and time is  = t \\ \Rightarrow 3 x = \frac{10 x \times 6 \times t}{100} \\ \Rightarrow t = 5 years \end{aligned}

$\eqalign{ & {\text{Let principal and SI is}} \cr & {\text{ = }}10x,{\text{ }}3x{\text{ }} \cr & {\text{and time is = }}t \cr & \Rightarrow 3x = \frac{{10x \times 6 \times t}}{{100}} \cr & \Rightarrow t = 5\,{\text{years}} \cr}$

Workspace Report

Post your Comments

", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution:

\begin{aligned} Let principal and SI is \\ = 10 x, 3 x \\ and time is  = t \\ \Rightarrow 3 x = \frac{10 x \times 6 \times t}{100} \\ \Rightarrow t = 5 years \end{aligned}

$\eqalign{ & {\text{Let principal and SI is}} \cr & {\text{ = }}10x,{\text{ }}3x{\text{ }} \cr & {\text{and time is = }}t \cr & \Rightarrow 3x = \frac{{10x \times 6 \times t}}{{100}} \cr & \Rightarrow t = 5\,{\text{years}} \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM" } }

Test

Classes

E-Book