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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
MCQ Questions for CBSE Class 3 with Answers
MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
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Mixture problems SSC MCQ Questions With Answers
1.
According to an instruction a mixture of colour and Turpentine containing half part of each is perfect for painting a wall. A painter is provided a mixture, 3 parts of which are colour and 5 parts are Turpentine. How much of the mixture drawn off and replaced with colour so that the mixture becomes perfect?
4/5th part
1/3rd part
2/3rd part
1/5th part
5/8th part
2.
A vendor sells potatoes at a cost price, but he mixes some rotten potatoes and thereby gains 25%. The percentage of rotten potatoes in the mixture is?
25%
8%
22%
20%
24%
3.
A mug contained 90 liter alcohol. From this mug 9 liter of alcohol was taken out and replaced by water. This process was repeated once more times. How much alcohol is now contained in the mug?
72.9 litres
73.9 litres
70 litres
74.6 litres
4.
Two litres of a mixture of spirit and water contains 12% water. This is added to 3 litres of another mixture of spirit and water containing 5% of water. Find the percentage of water in the resulting mixture.
\(7\frac{4}{5}\)%
\(5\frac{4}{5}\)%
\(3\frac{5}{7}\)%
\(7\frac{9}{5}\)%
5.
20 L of a mixture contains alcohol and water in the ratio 2 : 3. If 4 L of water is mixed in it, the percentage of alcohol in the new mixture will be
50
25
20
33.33%
6.
Two equal glasses filled with mixture of milk and water in the proportions of 2 : 1 and 1 : 1 respectively are emptied into a third glass. What is the proportion of milk and water in the third glass?
3 : 7
5 : 7
4 : 7
7 : 5
7.
The ratio of milk and water in three samples is 1 ∶ 3, 3 ∶ 5 and 11 ∶ 5. A mixture containing equal quantities of all three samples is made. What will be the ratio of milk and water in the new mixture?
7 ∶ 9
5 ∶ 7
15 ∶ 13
9 ∶ 11
8.
An alloy has Iron, Silver and Bronze in the ratio 7 : 2 : 3. Another alloy has Silver and Bronze in ratio 1 : 2. In what ratio should the two mixtures be mixed so that the ratio of Iron and Silver in resultant mixture is 5 : 3?
2 : 1
19 : 9
20 : 11
21 : 10
9.
How much pure alcohol must be added to 400 ml of a solution containing 16% of alcohol to change the concentration of alcohol in the mixture to 40%
160 ml
100 ml
128 ml
68 ml
10.
Type 1 rice of Rs. 56 per kg and type 2 of Rs. 72 per kg are mixed and their average price is Rs. 68 per kg. If 60 kg of type 2 was present, what is the amount of type 1 rice?
16 kg
20 kg
24 kg
26 kg
None of the above
11.
Two vessels A and B contain spirit and water in the ratio 5 : 2 and 7 : 6 respectively. Find the ratio in which these mixtures be mixed to obtain a new mixture in vessel C containing spirit and water in the ratio 8 : 5 ?
12 : 17
8 : 9
8 : 3
7 : 9
12.
There are two mixtures of honey and water in which the ratio of honey and water is 1 : 3 and 3 : 1 respectively. Two litres are drawn from the first mixture and 3 litres from the second mixture, and it is mixed to form another mixture. What is the ratio of honey and water in it?
106 : 69
103 : 72
89 : 86
11 : 9
13.
There are two vessels A and B. Vessel A is containing 60L of Pure milk and vessel B is containing 28L of pure water. From vessel A, 8L of milk is taken out and poured into vessel B. Then, 6L of mixture (milk and water) is taken out from vessel B and poured into vessel A. What is the ratio of the quantity milk in vessel A to the quantity of pure water in vessel B?
14 ∶ 9
16 ∶ 7
24 ∶ 13
14 ∶ 5
None of these
14.
6 kg sugar costing Rs. 10/kg is mixed with 4 kg sugar costing Rs. 15/kg. What is the average cost of the mixture per kilogram?
Rs. 12
Rs. 15
Rs. 10
Rs. 13
15.
In a particular type of alloy the ratio of iron to carbon is 2 : 3. The amount of iron that should be added to 15 kg of this material to make the ratio of the contents1 : 1 is
2 kg
3 kg
6 kg
9 kg
16.
In what ratio should Assam Tea costing Rs. 300 per kg be mixed with Darjeeling Tea costing Rs. 400 per kg, so that by selling the mixture at Rs. 408 per kg there is gain of 20%.
1 : 2
3 : 2
2 : 5
1 : 6
17.
The ratio of Iron and Zinc in an alloy is 4 : 5. In another alloy, the ratio of Iron, Copper and Zinc is 3 : 2 : 7. Equal amounts of the two alloys are molten and mixed together. What will be the ratio of Iron, Copper and Zinc in the resultant alloy?
6 : 25 : 41
25 : 41 : 6
25 : 6 : 41
4 : 5 : 7
18.
Wheat costing Rs. 30/kg, Rs. 35/kg and a third variety of wheat are mixed in the ratio of 3 ∶ 4 ∶ 2. If the mixture costs Rs. 34/kg, then what will be the cost (in Rs./kg) of the third variety of wheat?
46
42
32
38
19.
A mixture is made by mixing alcohol and water in the ratio 9 ∶ 7. If ‘x’ litres of alcohol and ‘3x’ litres of water is mixed in 80 litres of mixture, the new ratio becomes 13 ∶ 14. Find the quantity of new mixture.
88 litres
96 litres
100 litres
108 litres
120 litres
20.
From a homogeneous mixture of salt and sugar containing 4 parts of salt and 5 parts of sugar, 1/4th part of the mixture is drawn off and replaced with salt. The ratio of salt and sugar in the new mixture is?
7 ∶ 12
5 ∶ 12
5 ∶ 7
5 ∶ 9
7 ∶ 5
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