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In an alloy, the ratio of tin to lead is 9 : 7. If 2 kg of lead is melted with molten 64 kg of this alloy, then the new ratio of tin to lead when the mixture hardens is
  • a)
    5 : 4
  • b)
    6 : 5
  • c)
    7 : 6
  • d)
    8 : 7
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In an alloy, the ratio of tin to lead is 9 : 7. If 2 kg of lead is mel...
According to the given information,
∵ the ratio of tin to lead is 9 : 7 in the alloy,
Amount of tin in 64 kg of alloy 
Amount of lead in 64 kg of alloy = 64 – 36 = 28 kg
If 2 kg of lead is added then,
New amount of lead = 28 + 2 = 30 kg
Hence the new ratio = 36/30 = 6/5 = 6 : 5
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Most Upvoted Answer
In an alloy, the ratio of tin to lead is 9 : 7. If 2 kg of lead is mel...
According to the given information,
∵ the ratio of tin to lead is 9 : 7 in the alloy,
Amount of tin in 64 kg of alloy 
Amount of lead in 64 kg of alloy = 64 – 36 = 28 kg
If 2 kg of lead is added then,
New amount of lead = 28 + 2 = 30 kg
Hence the new ratio = 36/30 = 6/5 = 6 : 5
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Community Answer
In an alloy, the ratio of tin to lead is 9 : 7. If 2 kg of lead is mel...
According to the given information,
∵ the ratio of tin to lead is 9 : 7 in the alloy,
Amount of tin in 64 kg of alloy 
Amount of lead in 64 kg of alloy = 64 – 36 = 28 kg
If 2 kg of lead is added then,
New amount of lead = 28 + 2 = 30 kg
Hence the new ratio = 36/30 = 6/5 = 6 : 5
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In an alloy, the ratio of tin to lead is 9 : 7. If 2 kg of lead is melted with molten 64 kg of this alloy, then the new ratio of tin to lead when the mixture hardens isa)5 : 4b)6 : 5c)7 : 6d)8 : 7Correct answer is option 'B'. Can you explain this answer?
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