First Naukri Ratio and Proportion Quiz -1

Question 1

Time: 00:00:00
The alloy X is created by combining platinum and brass in a 2:1 ratio. Another alloy, Y, is created by combining brass and zinc in a 3:4 ratio. Alloy Z is made by combining alloys X and Y in a specific ratio, so that the platinum to zinc ratio in alloy Z is 5:6. Which of the following is the right percentage of brass in alloy Z?

49/126

49/126

50/123

50/123

34/56

34/56

None of these

None of these

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Question 2

Time: 00:00:00
Manisha and Phoebe both work for the same business, and it was discovered that the income ratio of Manisha and Phoebe in the year 2019 was 5:4. Manisha's income in 2020 compared to her income in 2019 is 3:5, while Phoebe's income in 2020 compared to her income in 2019 is 3:2. If Manisha and Phoebe's combined income in 2020 is Rs. 10242, then find the income of Phoebe in the year 2019.

5400

5400

3567

3567

4552

4552

6421

6421

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Question 3

Time: 00:00:00
Ranbeer has seven plums, Bikash has five plums, and Abhi has twelve coins but no plums. He offers to buy some plums for a price. They agree to divide the 12 plums evenly among themselves, with Abhi paying 12 coins for his part. Bikash proposes that he be compensated with 5 coins and Ranbeer with 7. According to Ranbeer, he could receive more than 7 coins. How much should Ranbeer be compensated?

9

9

8

8

10

10

5

5

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Question 4

Time: 00:00:00
An internal examination taken by 52 students in the department of CSE of Vellore Institute of Technology yielded an average score of 85. If the top 5 scores' grades aren't taken into account, the remaining participants' average score drops by 2. Identify the maximum possible score for the topper if none of the first five leading scorers are below 80 and if each of the five top scorers has a different integral score.

197

197

213

213

193

193

184

184

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Question 5

Time: 00:00:00
Mandeepa carries a wallet containing a variety of tokens. The number of Rs. 1 coins to Rs. 2 coins ratio is 5:7, and the number of Rs. 2 coins to Rs. 5 coins ratio is 7:6. If the overall sum of the Rs. 1 coins in the bag is Rs. 15, calculate the total worth of the Rs. 5 coins.

90

90

135

135

100

100

185

185

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Question 6

Time: 00:00:00
Cakes were distributed by the mother of four children. Cakes were distributed to the three oldest children in the ratio 3:11:7. The overall amount of cakes consumed by the mother and youngest child is three times that of the three eldest children. The ratio of cakes between the mother and the rest of the kids is 3 to 4. If the youngest child has 81 chocolates, calculate the total amount of cakes.

155

155

252

252

237

237

301

301

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Question 7

Time: 00:00:00
For a drive, Akshay rented a XUV500. If you hire a car for less than 8 hours, you will be charged Rs. 100 per hour or Rs. 8 per km, whichever is higher. If the car is rented for more than 8 hours, the fee is Rs. 80 per hour or Rs. 6 per kilometre, whichever is greater. Akshay rented the car for 120 kilometres for Rs. 800. What was the length of time he hired the car?

8.5

8.5

10

10

12

12

6

6

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Question 8

Time: 00:00:00
In an engineering college's IT department, there are two parts, IT1 and IT2, with a strength ratio of 2 to 1. Section IT1 has a 3:1 boy-to-girl ratio, while section IT2 has a 3:5 ratio. Learners from both divisions are required to stand in lines of boys and girls in the ground, with an equal proportion of students in each line. What is the difference between the number of boys in IT1 and IT2 having a maximum of 96 students in a line?

302

302

294

294

288

288

313

313

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Question 9

Time: 00:00:00
The ratio of Mukulika's theoretical marks to the total theoretical marks available is 7:10. The total marks available in practice tests is 20% of the total marks available in theory. Calculate the ratio of Mukulika's total marks to the total marks that can be earned in the topic (theory + practice tests) if she received maximum marks in practice tests.

4:5

4:5

2:3

2:3

1:2

1:2

3:4

3:4

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Question 10

Time: 00:00:00
In a restaurant the ratio of the buyers of Potstickers and Kale is 1:3. After a hype in dieting trend, the buyers for Potstickers and Kale were increased by 8% and 10% respectively, Find the ratio of buyers of Potstickers to Kale after the trend.

2:3

2:3

1:4

1:4

1:2

1:2

1:3

1:3

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