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21. A mixture of 66 litres of milk and water are in the ratio 5:1, and water is added to make the ratio 5:3. Find the quantity of water added.
  A.  22 litres
  B.  11 litres
  C.  33 litres
  D.  44 litres
     
   
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22. There are 65 students in a class, Rs 26 are distributed among them so that each boy gets 80P and each girl gets 30P. Find the number of boys and girls in that class.
  A.  Number of Boys: 12; Number of Girls: 53
  B.  Number of Boys: 13; Number of Girls: 52
  C.  Number of Boys: 14; Number of Girls: 51
  D.  Number of Boys: 15; Number of Girls: 50
     
   
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23. A man has a milk of Rs 20 per litre. In what ratio should water be mixed in that milk so that after selling the mixture at Rs 10 per litre he may get a profit of 25%.
  A.  3:2
  B.  1:3
  C.  2:3
  D.  2:1
     
   
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24. A man has a wine of Rs 50 per litre. In what ratio should water be mixed in that wine so that after seeling the wine at Rs 30 per litre he may get a profit of 50%?
  A.  1:3
  B.  3:4
  C.  2:3
  D.  3:1
     
   
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25. A man travels 270 km in 6 hours in two stages. In the first part of the journey, he travels by bus at the speed of 40 km per hour. In the second part of the journey, he travels by train at the speed of 55 km per hour. How much distance did he travel by train?
  A.  110 km
  B.  120 km
  C.  100 km
  D.  130 km
     
   
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26. A wholeseller has 60 kg of rice, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. What is the quantity sold at 18% profit?
  A.  34 kg
  B.  38 kg
  C.  32 kg
  D.  36 kg
     
   
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27. A seller has 60 kg of cumin seed, a part of which he sells at 10% profit and the rest at 5% loss. He gains 7% on the whole. What is the quantity sold at 10% gain and 5% loss?
  A.  Qty sold at 10% gain: 48 kg; Qty sold at 5% loss: 12 kg
  B.  Qty sold at 10% gain: 45 kg; Qty sold at 5% loss: 15 kg
  C.  Qty sold at 10% gain: 50 kg; Qty sold at 5% loss: 10 kg
  D.  Qty sold at 10% gain: 42 kg; Qty sold at 5% loss: 18 kg
     
   
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28. A trader has 60 kg of cumin seed, a par tof which he sells at 14% profit and the rest at 6% loss. On the while his loss if 4%. What is the quantity sold at 14% profit and that at 6% loss?
  A.  Qty sold at 14% gain: 6 kg; Qty sold at 6% loss: 54 kg
  B.  Qty sold at 14% gain: 5 kg; Qty sold at 6% loss: 55 kg
  C.  Qty sold at 14% gain: 4 kg; Qty sold at 6% loss: 56 kg
  D.  Qty sold at 14% gain: 8 kg; Qty sold at 6% loss: 52 kg
     
   
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29. Meena expenditure and saving are in the ratio 5:4. Her expenditure also increases by 12%. By how many per cent does her saving increase?
  A.  6%
  B.  7%
  C.  8%
  D.  9%
     
   
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30. A vessel of 120 litres is filled with wine and water. 70% of wine and 30% of water is taken out of the vessel. It is found that the vessel is vacated by 55%. Find the initial quantity of milk and water.
  A.  Initial quantity of wine: 70 litres; Initial quantity of water: 50 litres
  B.  Initial quantity of wine: 80 litres; Initial quantity of water: 40 litres
  C.  Initial quantity of wine: 85 litres; Initial quantity of water: 35 litres
  D.  Initial quantity of wine: 75 litres; Initial quantity of water: 45 litres
     
   
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