Practice Question and Answer

Q:

In one glass, milk and water are mixed in the ratio 3:5 and in another glass they are mixed in the ratio 6:1.In what ratio should the content of the two glasses be mixed together so that new mixture contains milk and water in the ratio 1:1?

2350 0

  • 1
    20:7
    Correct
    Wrong
  • 2
    8:3
    Correct
    Wrong
  • 3
    27:4
    Correct
    Wrong
  • 4
    25:9
    Correct
    Wrong
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Answer : 1. "20:7"

Q:

An alloy contains zinc, copper and tin in the ratio 2:3:1 and an other contains copper, tin and lead in the ratio 5:4:3. If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in the new alloy will be.

2971 0

  • 1
    ½ kg
    Correct
    Wrong
  • 2
    1/8 kg
    Correct
    Wrong
  • 3
    3/14 kg
    Correct
    Wrong
  • 4
    7/9 kg
    Correct
    Wrong
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Answer : 2. "1/8 kg"

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