Please login

Prime

Prepinsta Prime

Video courses for company/skill based Preparation

(Check all courses)
Get Prime Video
Prime

Prepinsta Prime

Purchase mock tests for company/skill building

(Check all mocks)
Get Prime mock

TCS NQT Allegations and Mixtures Questions Quiz 1

Question 1

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

8

8

9

9

7

7

6

6

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 2

Time: 00:00:00
The average marks of a,b,c are 48. When d joins average becomes 47. E has 3 more marks than d. The average marks of b,c,d,e is 48. What are the marks of a?

46

46

43

43

49

49

52

52

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 3

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

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 4

Time: 00:00:00
For a car, there are 5 tires including one spare tire (4+1). All tires are equally used. If the total distance traveled by the car is 40000km then what is the average distance traveled by each tire?

10000

10000

40000

40000

32000

32000

8000

8000

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 5

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 5:3 and 1:2, respectively. A new alloy X is formed by mixing the two alloys A and B in the ratio 4:3. What is the ratio of the composition of the two basic elements in alloy X?

1:1

1:1

2:3

2:3

5:2

5:2

4:3

4:3

7:9

7:9

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 6

Time: 00:00:00
In a barrel 729ml of oil. N amount of oil is replaced by water. If the process continues for the 6times and find the amount of oil will be?

729(1-(n/729))6

729(1-(n/729))6

(729-n/729)6

(729-n/729)6

729(1-n/729)4

729(1-n/729)4

729(1-(n/729)^2)3

729(1-(n/729)^2)3

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

This is a direct formula for such successive dilution questions. Refer to the Formulas below

It is solve using formula directly. Go through prepinsta theory lectures

It\'s a formula.

Start

Question 7

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

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 8

Time: 00:00:00
A mixture of a certain quantity of milk with 16 litres of water is worth 90p per litre. if pure milk be worth Rs.1.08 per litre, how much milk is there in the mixture?

75

75

80

80

65

65

60

60

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 9

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%

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

Question 10

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

Once you attempt the question then PrepInsta explanation will be displayed.

Please login to submit your explanation

Start

["0","40","60","80","100"]
["Need more practice! \r\n \r\n","Keep trying! \r\n \r\n","Not bad! \r\n \r\n","Good work! \r\n \r\n","Perfect! \r\n \r\n"]

Completed

0/0

Accuracy

0%

Prime

Prime Video

Complete video course for TCS NQT

(for TCS NQT)
Prime Video

Prime

Prime Mock

Topic-wise and full mocks & much more

(for TCS NQT)
Get Prime Mock

Personalized Analytics only Availble for Logged in users

Analytics below shows your performance in various Mocks on PrepInsta

Your average Analytics for this Quiz

Rank

-

Percentile

0%

Comments