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In a mixture of 55 kg, the ratio of milk and water is 7:4. What will be the amount of water to be added to make the ratio 7:6?
- a)15 kg
- b)10 kg
- c)5 kg
- d)12 kg
- e)None of the above/More than one of the above
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
In a mixture of 55 kg, the ratio of milk and water is 7:4. What will b...
According to the question,
Initial quantity of milk = (55/11) × 7 = 35
And initial quantity of water = (55/11) × 4 = 20
After some quantity of water (x) is added to this mixture ,
So ratio of milk : water becomes 7 : 6
⇒ 35/(20+x) =7/6
⇒ 210 = 140 + 7x
⇒ 7x = 70
⇒ x = 70/7 litres
⇒ x = 10 litres.
Hence, option(2) is the correct answer.
Initial quantity of milk = (55/11) × 7 = 35
And initial quantity of water = (55/11) × 4 = 20
After some quantity of water (x) is added to this mixture ,
So ratio of milk : water becomes 7 : 6
⇒ 35/(20+x) =7/6
⇒ 210 = 140 + 7x
⇒ 7x = 70
⇒ x = 70/7 litres
⇒ x = 10 litres.
Hence, option(2) is the correct answer.
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Community Answer
In a mixture of 55 kg, the ratio of milk and water is 7:4. What will b...
According to the question,
Initial quantity of milk = (55/11) × 7 = 35
And initial quantity of water = (55/11) × 4 = 20
After some quantity of water (x) is added to this mixture ,
So ratio of milk : water becomes 7 : 6
⇒ 35/(20+x) =7/6
⇒ 210 = 140 + 7x
⇒ 7x = 70
⇒ x = 70/7 litres
⇒ x = 10 litres.
Hence, option(2) is the correct answer.
Initial quantity of milk = (55/11) × 7 = 35
And initial quantity of water = (55/11) × 4 = 20
After some quantity of water (x) is added to this mixture ,
So ratio of milk : water becomes 7 : 6
⇒ 35/(20+x) =7/6
⇒ 210 = 140 + 7x
⇒ 7x = 70
⇒ x = 70/7 litres
⇒ x = 10 litres.
Hence, option(2) is the correct answer.
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In a mixture of 55 kg, the ratio of milk and water is 7:4. What will be the amount of water to be added to make the ratio 7:6?a)15 kgb)10 kgc)5 kgd)12 kge)None of the above/More than one of the aboveCorrect answer is option 'B'. Can you explain this answer?
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