DILR Preparation Tips for MBA

Directions for questions: Answer the following questions based on the information given below.

A manufacturing company's make various alloys, which is be used for certain specific purposes. It is considering a choice of 5 new alloys (A1, A2, A3, A4, and A5), which can be used in different proportions in the formulations. The table below gives the composition of these alloys. The cost per unit of each of these alloys is A1: 150, A2: 50, A3: 200, A4: 500, A5: 100

Composition
Alloys	Cobalt	Iron	Aluminum	Carbon
A1	50	30	10	10
A2	80	20	0	0
A3	10	30	50	10
A4	5	50	40	5
A5	45	50	0	5

For making engines, the alloy should containing 10% carbon and at least 30% iron. In how many different ways can we prepare this new alloy by mixing at least two of the given

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Contributor-Level 10

As the new alloy should contain 10% carbon and only two alloy contains 10% carbon i.e. A1 and A3. Hence, only by mixing A1 and A3 a new alloy with 10% carbon can be formed. Hence, there is only one way.

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New answer posted

2 months ago

Directions for questions: Answer the following questions based on the information given below.

Composition
Alloys	Cobalt	Iron	Aluminum	Carbon
A1	50	30	10	10
A2	80	20	0	0
A3	10	30	50	10
A4	5	50	40	5
A5	45	50	0	5

The company is planning to make a new alloy required for making ships. This new alloy must contain at least 30% each of cobalt and iron, no more than 25% aluminum and at leas

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Contributor-Level 10

As the alloys are fixed in equal amounts, so we can take the average of the constituent percentage of the metal used. A1nly option A1 and A5 satisfies all the conditions.

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New answer posted

2 months ago

The pie chart given below shows the total number of people and the number of women who reads 5 different news paper.

Percentage of people who reads different newspaper in a town

Total number of people = 35,000

Percentage break-up of female who reads different newspaper in town

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Contributor-Level 10

The number of females who eats Dainik Jagran, The telegram and Dainik Bhaskar:

= (38 + 11 + 21) * 150 = 10500

Required percent $= \frac{10500}{35000} * 100 = 30 %$

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New answer posted

2 months ago

The pie chart given below shows the total number of people and the number of women who reads 5 different news paper.

Percentage of people who reads different newspaper in a town

Total number of people = 35,000

Percentage break-up of female who reads different newspaper in town

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Contributor-Level 10

Required answer:

$= (350 * 16) + \frac{1}{5} (150 * 11) = 5600 + 330 = 5930$

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New answer posted

2 months ago

The pie chart given below shows the total number of people and the number of women who reads 5 different news paper.

Percentage of people who reads different newspaper in a town

Total number of people = 35,000

Percentage break-up of female who reads different newspaper in town

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Contributor-Level 10

Required number of females:

$= \frac{32}{100} * 15000 = 4800$

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New answer posted

2 months ago

Directions for questions: Answer the following questions based on the information given below.

The pie chart given below shows the total number of people and the number of women who reads 5 different news paper.

Percentage of people who reads different newspaper in a town

Total number of people = 35,000

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Contributor-Level 10

Required answer: $= 150 * 38 : (35000 * \frac{22}{100} - 15000 * \frac{11}{100})$ \

5700 : 6050 = 114 : 121

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New answer posted

2 months ago

The bar graph above represents the annual consumption of electricity by four different companies – BEl, GAIL,TATA and Skyroot – over five different years, from 2016 through 2020. The table given below indicates the rate (Rs./unit of code) at which each of the four companies paid electricity bills over the given duration (2016-2020).

Companies	Years
Companies	2016	2017	2018	2019	2020
Bell	10	11	12	13	14
GAIL	11	12	12	13	14
TATA	12	12	12	13	14
.Skyroot	13	14	15	16	17

The maximum electricity bill by any company is observed in which year?

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Contributor-Level 10

Skyroot's income was the maximum in year 2020, as the rate charged was the maximum and the number of units was also the maximum

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New answer posted

2 months ago

Companies	Years
Companies	2016	2017	2018	2019	2020
Bell	10	11	12	13	14
GAIL	11	12	12	13	14
TATA	12	12	12	13	14
.Skyroot	13	14	15	16	17

The electricity bill of GAIL in the year 2019 expressed as a percentage of that of Skyroot in the year 2016?

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