Question
βAβ, βBβ and βCβ started a business by
investing Rs. 4500, Rs. 5000 and Rs. 3000, respectively. After 4 months, βBβ left and βAβ and βCβ added Rs. 1500 each to their respective initial investment. Find the ratio of annual profit received by βAβ, βBβ and βCβ.Solution
Ratio of the annual profit received by βAβ, βBβ and βCβ => {(4500 Γ 4) + (6000 Γ 8)}:(5000 Γ 4):{(3000 Γ 4) + (4500 Γ 8)} = 33:10:24
Find the geometric mean for the series given below.
31, 93, 279
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