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A and B share in old ratio (16:9). C is admitted for (1/5) share and A and B sacrifice equally. What will be A's new share?

Answer and explanation

Correct answer: (27/50)

Direct answer: Option A, 27/50. The old ratio 16:9 gives A’s old share as 16/25 and B’s as 9/25. C receives 1/5, and A and B sacrifice equally. Therefore each old partner sacrifices half of C’s share: 1/5 ÷ 2 = 1/10. A’s new share is old share minus sacrifice: 16/25 − 1/10. Using denominator 50, this is 32/50 − 5/50 = 27/50. Option A is correct. Option B, 23/50, results from an incorrect subtraction. Option C, 16/25, is A’s old share and ignores the sacrifice. Option D, 1/10, is only A’s sacrifice, not A’s final share. The same process gives B’s new share as 9/25 − 1/10 = 13/50, and 27/50 + 13/50 + 10/50 = 1. Memory cue: convert the old ratio into fractions before subtracting sacrifice.

Related tags

Equal SacrificeNew ShareNumerical

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