Karuna and Varuna invested Rs 2400 and Rs x in a business After 3 months Karuna added Rs 600 while V...........

Quantitative Aptitude ( CCS) Partnership

Karuna and Varuna invested Rs 2400 and Rs x in a business. After 3 months, Karuna added Rs 600 while Varuna withdrew Rs 300. After a year out of a total profit of Rs 36,920, Varuna received Rs 17,160. Find the amount invested by Varuna at the starting of business.

Rs 2700

Rs 1900

Rs 2100

Rs 2400

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Explanation:

Solution:
Ratio of shares of Karuna and Varuna is
2400*3 + 3000*9 : x*3 + (x-300)*9
gives 11400 : (4x-900)
So (4x-900)/(11400+4x-900) * 36920 = 17160
Solve, x = Rs 2700