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1. 729ml of a mixture contains milk and water in ratio 7 : 2 . How much of the water is to be added to get a new mixture containing half milk and half water ?
- A. 405ml
- B. 405ml
- C. 405ml
- D. 405ml
Answer: Option A
Explanation:
729 * 7/9 = 81 * 7 = 567 = Milk
729 * 2/9 = 81 *2 = 162 = Water
Water to be added : 567 - 162 = 405.
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