Multiple choice

In what ratio is salt costing Rs. 13/kg mixed with another salt costing Rs. 7/kg to get a mixture costing Rs. 9/kg?

  1. 4 : 7

  2. 3 : 5

  3. 2 : 3

  4. 1 : 2
Reveal answer Fill a bubble to check yourself
D Correct answer
AI explanation

By the rule of alligation, the ratio of the quantity of the Rs. 13/kg salt to the Rs. 7/kg salt is (9 minus 7) to (13 minus 9). This simplifies to 2 to 4. Therefore, the required mixing ratio is 1 to 2.

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