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Crash Course for HAL DT/MT Aerospace Engineering

The Crash Course for HAL DT/MT Aeronautical engineering 2022 will cover three sections:

(A) Core Aeronautical Engineering:

It consists of Engineering Mechanics, Strength of Materials, Fluid Mechanics, Thermodynamics, Aerodynamics, Aircraft Propulsion, Aircraft Structures, Flight Mechanics, Helicopter Dynamics, Aircraft Materials, Aircraft Manufacturing Processes

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Mock Test Series consists of 50 Tests which includes 30 Subject Tests, 14 Mix subject Tests and 6 Full Mock Tests

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Aerospace Engineering:

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General Aptitude and English:

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Quantitative Aptitude - Profit and Loss - Quiz 1

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1. Alfred buys an old scooter for Rs. 4700 and spends Rs. 800 on its repairs. If he sells the scooter for Rs. 5800, his gain percent is:

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2. The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:

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3. If selling price is doubled, the profit triples. Find the profit percent.

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4. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

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5. A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?

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6. The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?

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7. A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?

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8. A man buys a cycle for Rs. 1400 and sells it at a loss of 15%. What is the selling price of the cycle?

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9. Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit?

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10. Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is:

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11. On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:

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12. When a plot is sold for Rs. 18,700, the owner loses 15%. At what price must that plot be sold in order to gain 15%?

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13. 100 oranges are bought at the rate of Rs. 350 and sold at the rate of Rs. 48 per dozen. The percentage of profit or loss is:

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14. A shopkeeper sells one transistor for Rs. 840 at a gain of 20% and another for Rs. 960 at a loss of 4%. His total gain or loss percent is:

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15. A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is:

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Logical Reasoning - Statements and Assumption - Quiz 1

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1. Statement: "You are hereby appointed as a programmer with a probation period of one year and your performance will be reviewed at the end of the period for confirmation." - A line in an appointment letter. Assumptions: I. The performance of an individual generally is not known at the time of appointment offer. II. Generally an individual tries to prove his worth in the probation period.

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2. Statement: It is desirable to put the child in school at the age of 5 or so. Assumptions: I. At that age the child reaches appropriate level of development and is ready to learn. II. The schools do not admit children after six years of age.

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3. Statement: "In order to bring punctuality in our office, we must provide conveyance allowance to our employees." - In charge of a company tells Personnel Manager. Assumptions: I. Conveyance allowance will not help in bringing punctuality. II. Discipline and reward should always go hand in hand.

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4. Statement: Unemployment allowance should be given to all unemployed Indian youth above 18 years of age. Assumptions: I. There are unemployed youth in India who needs monetary support. II. The government has sufficient funds to provide allowance to all unemployed youth.

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5. Statement: "If you trouble me, I will slap you." - A mother warns her child. Assumptions: I. With the warning, the child may stop troubling her. II. All children are basically naughty.

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6. Statement: The State government has decided to appoint four thousand primary school teachers during the next financial year. Assumptions: I. There are enough schools in the state to accommodate four thousand additional primary school teachers. II. The eligible candidates may not be interested to apply as the government may not finally appoint such a large number of primary school teachers.

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7. Statement: A warning in a train compartment - "To stop train, pull chain. Penalty for improper use Rs.500." Assumptions: I. Some people misuse the alarm chain. II. On certain occasions, people may want to stop a running train.

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8. Statement: If it is easy to become an engineer, I don't want to be an engineer. Assumptions: I. An individual aspires to be professional. II. One desires to achieve a thing which is hard earned.

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9. Statement: The concession in rail fares for the journey to hill stations has been cancelled because it is not needed for people who can spend their holidays there. Assumptions: I. Railways should give concession only to needy persons. II. Railways should not encourage people to spend their holidays at hill stations.

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10. Statement: "The bridge was built at the cost of Rs. 128 crores and even civil bus service is not utilizing it, what a pity to see it grossly underutilized." - A citizen's view on a new flyover linking east and west sides of a suburb. Assumptions: I. The building of such bridges does not serve any public objective. II. There has to be some accountability and utility of money spent on public projects.

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11. Statement: The Government has decided to levy 2 percent on the tax amount payable for funding drought relief programs. Assumptions: I. The Government does not have sufficient money to fund drought relief programs. II. The amount collected by way of surcharge may be adequate to fund these drought relief programs.

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12. Statement: Detergents should be used to clean clothes. Assumptions: I. Detergents form more lather. II. Detergents help to dislodge grease and dirt.

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13. Statement: It will be a substantial achievement in the field of education if one provides one school for every village in our country and enforce attendance. Assumptions: I. Children in villages do not attend school regularly. II. Providing school to every village is desirable.

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14. Statement: The government has decided to disinvest large chunk of its equity in select public sector undertakings for a better fiscal management. Assumptions: I. The amount generated out of the disinvestment process may reduce substantially the mounting fiscal deficits. II. There will be enough demand in the market for the shares of these undertakings.

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15. Statement: Never before such a lucid book was available on the topic. Assumptions: I. Some other books were available on this topic. II. You can write lucid books on very few topics.

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Verbal Reasoning - Data Sufficiency - Quiz 1

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1. Question: In which year was Rahul born ? Statements: I. Rahul at present is 25 years younger to his mother. II. Rahul's brother, who was born in 1964, is 35 years younger to his mother.

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2. Question: What will be the total weight of 10 poles, each of the same weight ? Statements: I. One-fourth of the weight of each pole is 5 kg. II. The total weight of three poles is 20 kilograms more than the total weight of two poles.

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3. Question: How many children does M have ? Statements: I. H is the only daughter of X who is wife of M. II. K and J are brothers of M.

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4. Question: How much was the total sale of the company ? Statements: I. The company sold 8000 units of product A each costing Rs. 25. II. This company has no other product line.

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5. Question: The last Sunday of March, 2006 fell on which date ? Statements: I. The first Sunday of that month fell on 5th. II. The last day of that month was Friday.

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6. Question: What is the code for 'sky' in the code language ? Statements: I. In the code language, 'sky is clear' is written as 'de ra fa'. II. In the same code language, 'make it clear' is written as 'de ga jo'.

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7. Question: How many children are there between P and Q in a row of children ? Statements: I. P is fifteenth from the left in the row. II. Q is exactly in the middle and there are ten children towards his right.

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8. Question: How is T related to K? Statements: I. R's sister J has married T's brother L, who is the only son of his parents. II. K is the only daughter of L and J.

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9. Question: How is J related to P ? Statements: I. M is brother of P and T is sister of P. II. P's mother is married to J's husband who has one son and two daughters.

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10. Question: How is X related to Y ? Statements: I. Y and Z are children of D who is wife of X. II. R's sister X is married to Y's father.

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11. Question: Who is to the immediate right of P among five persons P, Q, R, S and T facing North ? Statements: I. R is third to the left of Q and P is second to the right of R. II. Q is to the immediate left of T who is second to the right of P.

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12. Question: On which date of the month was Anjali born in February 2004 ? Statements: I. Anjali was born on an even date of the month. II. Anjali's birth date was a prime number.

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13. Question: How is X related to Y? Statements: I. Y says, "I have only one brother". II. X says, "I have only one sister"

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14. Question: How is F related to P? Statements: I. P has two sisters M and N. II. F's mother is sister of M's father.

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15. Question: B is the brother of A. How is A related to B ? Statements: I. A is the sister of C. II. E is the husband of A.

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Logical Reasoning - Analyzing Arguments - Quiz 1

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1. One New York publisher has estimated that 50,000 to 60,000 people in the United States want an anthology that includes the complete works of William Shakespeare. And what accounts for this renewed interest in Shakespeare? As scholars point out, his psychological insights into both male and female characters are amazing even today.This paragraph best supports the statement that

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2. One of the warmest winters on record has put consumers in the mood to spend money. Spending is likely to be the strongest in thirteen years. During the month of February, sales of existing single-family homes hit an annual record rate of 4.75 million. This paragraph best supports the statement that

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3. Generation Xers are those people born roughly between 1965 and 1981. As employees, Generation Xers tend to be more challenged when they can carry out tasks independently. This makes Generation Xers the most entrepreneurial generation in history. This paragraph best supports the statement that Generation Xers

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4. If you're a fitness walker, there is no need for a commute to a health club. Your neighborhood can be your health club. You don't need a lot of fancy equipment to get a good workout either. All you need is a well-designed pair of athletic shoes. This paragraph best supports the statement that

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5. In the past, consumers would rarely walk into an ice cream store and order low-fat ice cream. But that isn't the case today. An increasing health consciousness combined with a much bigger selection of tasty low-fat foods in all categories has made low-fat ice cream a very profitable item for ice cream store owners. This paragraph best supports the statement that

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6. Today's high school students spend too much time thinking about trivial and distracting matters such as fashion. Additionally, they often dress inappropriately on school grounds. Rather than spending time writing another detailed dress policy, we should make school uniforms mandatory. If students were required to wear uniforms, it would increase a sense of community and harmony in our schools and it would instill a sense of discipline in our students. Another positive effect would be that teachers and administrators would no longer have to act as clothing police, freeing them up to focus on more important issues. This paragraph best supports the statement that

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7. The criminal justice system needs to change. The system could be more just if it allowed victims the opportunity to confront the person who has harmed them. Also, mediation between victims and their offenders would give the offenders a chance to apologize for the harm they have done. This paragraph best supports the statement that victims of a crime should

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8. A few states in this country are considering legislation that would prohibit schools from using calculators before the sixth grade. Other states take a different position. Some states are insisting on the purchase of graphing calculators for every student in middle school. This paragraph best supports the statement that in this country

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9. Today's workforce has a new set of social values. Ten years ago, a manager who was offered a promotion in a distant city would not have questioned the move. Today, a manager in that same situation might choose family happiness instead of career advancement. This paragraph best supports the statement that

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10. It is well known that the world urgently needs adequate distribution of food, so that everyone gets enough. Adequate distribution of medicine is just as urgent. Medical expertise and medical supplies need to be redistributed throughout the world so that people in emerging nations will have proper medical care. This paragraph best supports the statement that

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11. Yoga has become a very popular type of exercise, but it may not be for everyone. Before you sign yourself up for a yoga class, you need to examine what it is you want from your fitness routine. If you're looking for a high-energy, fast-paced aerobic workout, a yoga class might not be your best choice. This paragraph best supports the statement that

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12. Human technology developed from the first stone tools about two and a half million years ago. At the beginning, the rate of development was slow. Hundreds of thousands of years passed without much change. Today, new technologies are reported daily on television and in newspapers. This paragraph best supports the statement that

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13. Mathematics allows us to expand our consciousness. Mathematics tells us about economic trends, patterns of disease, and the growth of populations. Math is good at exposing the truth, but it can also perpetuate misunderstandings and untruths. Figures have the power to mislead people. This paragraph best supports the statement that

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14. In the 1966 Supreme Court decision Miranda v. Arizona, the court held that before the police can obtain statements from a person subjected to an interrogation, the person must be given a Miranda warning. This warning means that a person must be told that he or she has the right to remain silent during the police interrogation. Violation of this right means that any statement that the person makes is not admissible in a court hearing. This paragraph best supports the statement that

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15. During colonial times in America, juries were encouraged to ask questions of the parties in the courtroom. The jurors were, in fact, expected to investigate the facts of the case themselves. If jurors conducted an investigation today, we would throw out the case. This paragraph best supports the statement that

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