Alipta got some amount of money from her father In how many years will the ratio of the money and th...........

Quant (SSC) Simple Interest

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?

7 yrs

3 yrs

5 yrs

4 yrs

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Explanation:

Given ratio,
Principal /SI = 10/3
Let the principal be 10/- and SI earned = 3/-
Let the time be x years
∴ SI = P × R × T /100
⇒ 3 = 10 × 6 × x /100 ⇒ x = 5 years