Mixture and Alligation

Total Questions: 50

31. 2 varieties of tea powders worth ₹250/kg and ₹300/kg are mixed with a third variety of tea powder in the ratio 1 : 1 : 2. If the mixture is worth ₹350/kg, find the price of the third variety tea powder. [SSC CGL 13/09/2024 (2nd Shift)]

Correct Answer: (c) ₹425/kg
Solution:

32. 15 kg of ₹10 per kg wheat is mixed with 5 kg of another type of wheat to get a mixture costing ₹30 per kg. Find the price (per kg) of the costlier wheat. [SSC CGL 19/09/2024 (1st Shift)]

Correct Answer: (c) ₹90
Solution:

33. A mango juice is made by mixing water and mango concentrate in the ratio 9 : 7. If x litres of water and 3x litres of mango concentrate is mixed in 160 litres of mango juice, then the new ratio becomes 13 : 14. What is the quantity of the new mango juice (in litres)? [SSC CGL 23/09/2024 (2nd Shift)]

Correct Answer: (a) 216
Solution:

34. In what ratio, sugar costing ₹78 per kg be mixed with sugar costing ₹46 per kg such that by selling the mixture at ₹75 per kg there is a gain of 20% ? [SSC CGL 24/09/2024 (1st Shift)]

Correct Answer: (a) 33 : 31
Solution:


35. A man buys 10 kg of wheat at a rate of ₹26/kg. The wheat is mixed with 6 kg of other good quality of wheat to get a mixture at a price of ₹35/kg. The price of good quality wheat per kg (in ₹) is: [SSC CGL 24/09/2024 (2nd Shift)]

Correct Answer: (d) 50
Solution:

36. Half litre of a solution contains 15% of alcohol. To change the alcohol concentration to 50%, find the quantity of alcohol to be mixed. [SSC CGL 26/09/2024 (2nd Shift)]

Correct Answer: (a) 350 ml
Solution:

37. How much water should be added to 60 liters of milk at 1½ liters a rupee so as to have a mixture worth 1⅞ liters a rupee ? [SSC CHSL 02/07/2024 (1st Shift)]

Correct Answer: (d) 15 liters
Solution:

38. Ramu mixes 2 litres of water at 100° C and 18 litres of water at 32° C. What temperature will the water have after mixing ? [SSC CHSL 08/07/2024 (3rd Shift)]

Correct Answer: (a) 38.8°C
Solution:

39. Pomegranate juice contains 10% sugar solution and orange juice contains 30% sugar solution. What is the percentage of sugar solution in a mixture of two litres of pomegranate juice and three litres of orange juice ? [SSC CHSL 11/07/2024 (2nd Shift)]

Correct Answer: (b) 22%
Solution:

40. A 12 litre solution of acid and water contains 30% acid. How much water (in litres) must be added to get a solution having 20% acid ? [SSC CPO 27/06/2024 (1st Shift)]

Correct Answer: (c) 6
Solution: