Question
Aditi, Bishnu, and Chetna initiated a business with the
capital invested by Aditi and Bishnu in a ratio of 9:8. Chetna invested Rs. 800 less than Bishnu. After 18 months, Bishnu and Chetna increased their investment by 25% and 100%, and Chetna doubled her investment. This adjustment led to equal profit shares for Bishnu and Chetna at the end of 3 years. Determine the initial amount invested by Aditi.Solution
ATQ, Let the initial investment made by βAditiβ and βBhisnuβ be Rs. β9aβ and Rs. β8aβ, respectively. Then, initial investment of βChetnaβ = Rs. (8a β 800) Ratio of profit shares of βBβ and βCβ = (8a Γ 18 + 8a Γ 1.25 Γ 18):{(8a β 800) Γ 18 + (8a β 800) Γ 2 Γ 18} = 324a:(432a β 43200) = 1:1 Or, 108a = 43200 So, a = 43200 Γ· 108 = 400 So, amount invested by βAditiβ, initially = 9 Γ 400 = Rs. 3,600
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