TCS Digital Allegation and Mixtures Quiz – 1

Question 1

Time: 00:00:00
A milk man mixed 1 : 4 solution of milk and water with another 1 : 2 solution of milk and water in the volume of ratio 3 : 2. If the profit earned by selling the first solution was 20% and the mixture was sold at the same price, what is the profit or loss percentage? You have to assume that water comes free of cost.

5.26% profit

5.26% profit

5.25% loss

5.25% loss

6.25% loss

6.25% loss

None of these

None of these

Question 2

Time: 00:00:00
A solution of 25 litres contain 20% sugar, if 10 litres of the 

solution is evaporated, find the percentage of sugar in the 

final solution?

27.5%

27.5%

20%

20%

25%

25%

33.33%

33.33%

Question 3

Time: 00:00:00

A mixture of certain quantity of milk with 16 litres of water is worth 90 paise per litre. If pure milk be worth RS 1.08 per litre ,how much mik is then there in the mixture





 

75

75

80

80

65

65

60

60

Question 4

Time: 00:00:00
Mixture of milk and water has been kept in two separate containers. ratio of milk to water in one of the containers is 5:1 and that in the other container is 7:2. in what ratio the mixtures of these two containers should be added together so that the quantity of the milk in the new mixture may become 80%?

2:3

2:3

1:2

1:2

14:19

14:19

3:7

3:7

Question 5

Time: 00:00:00
In a 729 litres mixture of milk and water, the ratio of milk to water is 7 : 2. to get a new mixture containing milk and water in the ratio 7 : 3, the amount of water to be added is:

81 litres

81 litres

71 litres

71 litres

56 litres

56 litres

51 litres

51 litres

Question 6

Time: 00:00:00

Two alloys A and B are composed of two basic elements. The ratios of the compositions of the two basic elements in the two alloys are   and    respectively. A new alloy X is formed by mixing the two alloys A and B in the ratio of    What is the ratio of the composition of the basic elements in alloy X?

1:1

1:1

2:3

2:3

5:2

5:2

4:3

4:3

Question 7

Time: 00:00:00
For a car there are 5tyres including one spare tyre(4+1). all tyres are equally used. if the total distance travelled by the car is 40000km then what is the average distance by the each tyre?

10000

10000

40000

40000

32000

32000

8000

8000

Question 8

Time: 00:00:00
On a certain assembly line, the rejection rate for Hyundai i10s production was 4 percent, for Hyundai i20s production 8 percent and for the 2 cars combined 7 percent. What was the ratio of Hyundais i10 production?

3/1

3/1

2/1

2/1

1/1

1/1

1/2

1/2

Question 9

Time: 00:00:00

Average marks of a,b,c is 48. when d joins average becomes 47. e has 3 more marks thand. average marks of b,c,d,e is 48. what is the marks of a? 1 point

46

46

43

43

49

49

52

52

Question 10

Time: 00:00:00
How many litres of a 90% solution of concentrated acid needs to be mixed with a 75% solution of concentrated acid to get a 30 l solution of 78% concentrated acid?

8

8

9

9

7

7

6

6

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