Question
Balu’s investment is half of Raj’s investment. After
4 months, Raj leaves and Ram joins with an investment of X amount (not in the same month). If the profits of Balu and Ram are equal, and Raj’s initial investment is Rs. 8400, what will be the value of X? A) 8400 B) 5600 C) 4800  D) 3600Solution
Balu’s investment = 1/2 * Raj’s investment Balu’s investment: Raj’s investment = 1: 2 Profit ratio = (4200 * 12): (8400 * 4): (X * certain months) Possible months = 1, 2, 3, 4, 5, 6, 7 From Option A => (4200 * 12)/(8400 * certain months) = 6 months This option satisfies the given condition. From Option B => (4200 * 12)/(5600* certain months) = 9 months This option does not satisfy the given condition. From Option C => (4200 * 12)/(4800* certain months) = 10.5 months This option does not satisfy the given condition. From Option D => (4200 * 12)/(3600* certain months) = 14 months This option does not satisfy the given condition.
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