300 gm of sugar solution has 40\% sugar. How much sugar should be added to make it 50\% in the solution? - Mathematics MCQ Mathematics Mock Test - 6 2026 | ExamTest.live

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300 gm of sugar solution has 40% sugar. How much sugar should be added to make it 50% in the solution?

Solution & Step-by-step Explanation

Initial sugar = 40% of 300 = 0.4 \times 300 = 120 gm .Let the added sugar be x gm .Total sugar = 120 + x .Total solution = 300 + x .The new concentration is 50% : \frac{120 + x}{300 + x} = \frac{1}{2} 2 (120 + x) = 300 + x 240 + 2 x = 300 + x ⟹ x = 60 gm

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300 gm of sugar solution has 40% sugar. How much sugar should be added to make it 50% in the solution?

40 gm

64 gm

38 gm

60 gm

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