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Raj started off with a business with a capital of Rs.60000. Later he was joined by Kishan with Rs.40000 as his share. If Kishan received 1/3rd of the total profit after 1 year, for how many months did he invest?

A.	8	B.	4
C.	3	D.	9

Answer and Explanation

Answer:9

Explanation:
Let Raj’s share be X and Kishan’s share be Y.
X : Y = 2 : 1 = 60000*12 : 40000*t ….(where t is number of months Kishan invested his money)
2 : 1 = 72 : 4t
36 = 4t
t = 9

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