Alligation or Mixture problems A mixture of 20 kg of spirit and water contains 10 % water. How much water must be added to this mixture to raise the percentage of water to 25 %? 4 kg 8 kg 5 kg 30 kg 4 kg 8 kg 5 kg 30 kg ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems In a courtyard there are many chickens and goats. If heads are counted, it comes to 100 but when legs are counted, it comes to 320. Find the number of chickens and goats in the courtyard. 30 , 70 20 , 50 40 , 60 50 , 50 30 , 70 20 , 50 40 , 60 50 , 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Average no. of legs per head = (320 / 100) = (16 / 5) or, 3 : 2 No. of goats = (3 / 3 + 2) × 100 = 60 No. of chickens = 100 ? 60 = 40.
Alligation or Mixture problems In a colored picture of blue and yellow color, blue and yellow color is used in the ratio of 4:3 respectively. If in upper half, blue : yellow is 2:3, then in the lower half blue : yellow is 9 : 26 2 : 1 26 : 9 1 : 1 9 : 26 2 : 1 26 : 9 1 : 1 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems 8 litres are drawn from a flask containing milk and then filledwith water. The operation is performed 3 more times. Theratio of the quantity of milk left and total solution is 81/625.How much milk the flask initially holds? 10 ltr 30 ltr 40 ltr 20 ltr 10 ltr 30 ltr 40 ltr 20 ltr ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let initial quantity be Q, and final quantity be F F = Q(1 - 8/Q) 4 => Q = 20
Alligation or Mixture problems A drum contains 80 litres of ethanol. 20 litres of this liquid is removed and replaced with water. 20 litres of this mixture is again removed and replaced with water. How much water (in litres) is present in this drum now? 35 45 44 40 35 45 44 40 ANSWER DOWNLOAD EXAMIANS APP
Alligation or Mixture problems A container contains 40 litres of milk.From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container. 29.16 litres 27.36 litres 28 litres 26.34 litres 29.16 litres 27.36 litres 28 litres 26.34 litres ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Amount of milk left after 3 operations 40 1 - 4 40 3 = 40 * 9 10 * 9 10 * 9 10 = 29 . 16 litres