LIVE CLASS
TOPIC – MIXTURES
Type Wise Sheet
Pre-Assessment:
Consider three mixtures - the first having water and liquid A in the ratio 1: 2, the second having
water and liquid B in the ratio 1: 3, and the third having water and liquid C in the ratio 1:4. These
three mixtures of A, B, and C, respectively, are further mixed in the proportion 4:3:2. Then the
resulting mixture has CAT 2017
A. The same amount of water and liquid B
B. The same amount of liquids B and C
C. More water than liquid B
D. More water than liquid A
Type : Based on Capacity
Question 1:
Two alloys A and B contain iron and silver in ratio 7 : 5 and 5 : 3. Equal quantity of both alloys
are melted and recast into a new alloy. What is the ratio between iron and silver in new alloy?
1. 29:19
2. 19 :29
3. 11 :19
4. None of these
Question 2:
The ratio of milk and water in two vessels having same capacity are 2 : 3 and 5 : 4. Both are
poured into a third vessel, then find the ratio of milk and water in third vessel.
TITA(Type In The Answer)
Question 3:
Two alloys contain iron and copper are in ratio 5 : 7 and 9 : 7. If equal quantities of both alloys
are melted to recast a new alloy, then find the quantity of iron in 960 gm of new alloy.
TITA(Type In The Answer)
Question 4:
The ratio of milk and water in two vessels are 3 : 5 and 4 : 7. The capacity of both vessels are
in the ratio1 : 2. Both are poured into a third vessel, then find the ratio of milk and water in
third vessel.
TITA(Type In The Answer)
Question 5:
The ratio of milk and water in two vessels are 3 : 4 and 5 : 6. The capacity of both vessels are
in the ratio 1 : 2. If the whole quantity of first vessel and half quantity of second vessel are
poured into a third vessel, then find the ratio of milk and water in third vessel.
TITA(Type In The Answer)
Question 6:
The ratio of milk and water in three vessels are 2 : 1, 1 : 5 and 5 : 7. The capacity of all vessels
are same. All are poured into a fourth vessel, then find the ratio of milk and water in fourth
vessel.
TITA(Type In The Answer)
Question 7:
The ratio of milk and water in three vessels are 3 : 1, 4 : 3 and 5 : 2. The ratio of capacity of all
vessels are in the ratio 6 : 4 : 3. All are poured into a fourth vessel, then find the ratio of milk
and water in fourth vessel.
TITA(Type In The Answer)
Question 8:
The ratio of milk and water in four vessels are 1 : 2, 3 : 2, 7 : 3 and 1 : 1. The ratio of capacity of
all vessels are in the ratio 1 : 2 : 3 : 4. All are poured into a fifth vessel, then find the ratio of
milk and water in fifth vessel.
TITA(Type In The Answer)
Pre-Assessment: CAT 2017
Consider three mixtures - the first having water and liquid A in the ratio 1 : 2, the second
having water and liquid B in the ratio 1 : 3, and the third having water and liquid C in the ratio 1
: 4. These three mixtures of A, B, and C, respectively, are further mixed in the proportion 4 : 3 :
2. Then the resulting mixture has
A. The same amount of water and liquid B
B. The same amount of liquids B and C
C. More water than liquid B
D. More water than liquid A
Type: Adding / Withdraw( Important)
Question 1:
The ratio of milk and water in a mixture is 3 : 7. We added 10 lt water to the mixture then ratio
becomes 1 : 3. Find the initial quantity of milk.
TITA(Type In The Answer)
Question 2:
Ratio between milk and water in a mixture to 4 : 3. When 18 liters of water is added In the
mixture then ratio becomes 2 : 3. Find initial quantity of water.
TITA(Type In The Answer)
***
Question 3:
A solution of salt and water contains 15% salt by weight. 30 kg of water evaporates, and the
solution now contains 20% of the salt. The original quantity of the solution is:
TITA(Type In The Answer)
Question 4:
An alloy of zinc and tin contains 35% of zinc by weight. What quantity of zinc must be added
to 400 lb of this alloy such that there is 60% of zinc by weight in the final mixture?
TITA(Type In The Answer)
Question 5:
A mixture of 40 litres of milk & water contains 10% water. How much water should be added
to this so that water must be 20% in the new mixture?
TITA(Type In The Answer)
Question 6:
An alloy of copper and lead contains 35% of copper by weight. If the final percentage of
copper is to be 66.66, then what will be the weight of copper which must be added to 400 lb
of this alloy?
Type : Replace / Removal – Many Times
Question 1 :
40 liters of milk is kept in a vessel. 4 liters of milk was taken out of this vessel and the same
amount of water was added to it. This process was done two more times. How much milk is there
in the vessel now?
(A) 34.23 L
|B) 29.16 L
(C) 30L
(D) 32L
Question2 :
A vessel full of 1600ltr milk. A person draw out 25% of milk form the vessel and replaced with
water. He has repeated the same process 2 times more. Find the final amount of milk in the
vessel?
TITA(Type In The Answer)
Question 3 :
A vessel is full of 90ltr milk, 18 ltr milk is taken out and replaced by water and again this process is
repeated 2 times, the amount of milk left after the 3rd replacement is?
1. 11.52ltr
2. 46.08ltr
3. 23.04ltr
4. 69.12ltr
Question 4:
A jar is filled with milk. A person replaces 25% of milk with water. He repeats the same process 5
times and as a result there is 1458ml of milk left in the jar. The remaining part of jar is filled with
water. The initial quantity of milk in the jar was?
1. 4.096L
2. 5.12L
3. 6.1441
4. 9.216L
Question 5: 24 lit are drawn from a vessel full of wine, then filled with water, This operation is
performed 3 times more. The ratio of quantity of wine now left in vessel to that of water is 16 : 65.
How much wine did vessel hold initially?
1. 48
2. 72
3. 96
4. 120