NABARD Assistant Manager Grade A- Mathematics Notes PDF

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Mathematics as a Universal Language:

Mathematics is often described as the universal language because it transcends cultural and linguistic barriers. It provides a common framework for expressing and solving problems.
Branches of Mathematics:

Mathematics is divided into several branches, including arithmetic, algebra, geometry, trigonometry, calculus, statistics, and discrete mathematics, among others.
Number Systems:

The number system includes natural numbers, integers, rational numbers, irrational numbers, real numbers, and complex numbers. Each type of number serves different mathematical purposes.
Basic Arithmetic:

Arithmetic involves the fundamental operations of addition, subtraction, multiplication, and division. These operations are used to perform calculations with numbers.
Algebra:

Algebra deals with variables and equations. It involves solving equations, simplifying expressions, and working with algebraic structures like polynomials and matrices.
Geometry:

Geometry focuses on the properties and relationships of shapes and spaces. It includes concepts like points, lines, angles, polygons, circles, and three-dimensional figures.
Trigonometry:

Trigonometry deals with the relationships between angles and the sides of triangles. It is often used in applications involving measurements and periodic phenomena.
Calculus:

Calculus is the study of change and motion. It includes differentiation (finding rates of change) and integration (finding areas and accumulations), and it plays a crucial role in physics and engineering.
Statistics:

Statistics involves the collection, analysis, interpretation, and presentation of data. It is used to draw conclusions and make informed decisions based on data.
Probability:

Probability is the study of randomness and uncertainty. It is used to quantify the likelihood of events occurring and is essential in fields like statistics and gambling.
Number Theory:

Number theory is the branch of mathematics that deals with properties and relationships of integers. It includes topics like prime numbers, divisibility, and modular arithmetic.
Discrete Mathematics:

Discrete mathematics focuses on countable, distinct, and separate objects and is used in computer science, cryptography, and combinatorics.
Linear Algebra:

Linear algebra deals with vector spaces and linear equations. It is used in various scientific and engineering disciplines.
Mathematical Logic:

Mathematical logic explores the foundations of mathematical reasoning, including propositional logic and predicate logic.
Mathematical Proofs:

Proofs are logical arguments used to establish the truth of mathematical statements. They are essential in mathematics to verify the validity of theorems.
Applications of Mathematics:

Mathematics is applied in various fields, including physics, engineering, economics, computer science, biology, and finance, to solve real-world problems.
Mathematical Notation:

Mathematical notation, including symbols and formulas, is used to represent mathematical concepts and relationships concisely.
Mathematical Problem Solving:

Problem-solving is a fundamental skill in mathematics. It involves identifying problems, formulating strategies, and applying mathematical concepts to find solutions.
Mathematical Software:

Mathematical software programs, such as MATLAB, Mathematica, and Python, are widely used to perform complex mathematical computations and simulations.
Mathematical Education:

Mathematics education is crucial for developing mathematical skills and fostering a deeper understanding of the subject from elementary school to higher education.
Mathematics is a dynamic and essential field of study with applications in various aspects of everyday life and across numerous academic and professional disciplines. It serves as a foundational tool for problem-solving and critical thinking.

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Maths Question Answer In English

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1. 121 Divided by 11 is

1. 11

2. 10

3. 19

4. 18

Answer: a

2. 60 Times of 8 Equals to

1. 480

2. 300

3. 250

4. 400

Answer: a

3. Find the Missing Term in Multiples of 6 : 6, 12, 18, 24, _, 36, 42, _ 54, 60.

1. 32, 45

2. 30, 48

3. 24, 40

4. 25, 49

Answer: b

4. What is the Next Prime Number after 7 ?

1. 13

2. 12

3. 14

4. 11

Answer: d

5. The Product of 131 × 0 × 300 × 4

1. 11

2. 0

3. 46

4. 45

Answer: b

6. Solve 3 + 6 × ( 5 + 4) ÷ 3 – 7

1. 11

2. 16

3. 14

4. 15

Answer: c

7.  Solve 23 + 3 ÷ 3

1. 24

2. 25

3. 26

4. 27

Answer: a

8. What is 6% Equals to

1. 0.06

2. 0.6

3. 0.006

4. 0.0006

Answer: a

9. How Many Years are there in a Decade?

1. 5 years

2. 10 years

3. 15 years

4. 20 years

Answer: b

10. How Many Months Make a Century?

1. 12

2. 120

3. 1200

4. 12000

Answer: c, 1200 months. As a century has a total of 100 years and each year has a total of 12 months, then a century will have a sum of 1200 months in it (100 × 12 = 1200 months).

11. Priya had 16 Red Balls, 2 Green Balls, 9  Blue Balls, and 1 Multicolor Ball. If He Lost 9 Red Balls, 1 Green Ball, and 3 Blue Balls. How Many Balls would be Left?

1. 15

2. 11

3. 28

4. 39

Answer: a, 15 balls.

12. Add the Decimals 5.23 + 8.79

1. 14.02

2. 14.19

3. 14.11

4. 14.29

Answer : a

13. How Many Months Have 120 Days?

1. 2 months

2. 4 months

3. 11 months

4. 12 months

Answer: b, 4 months. As all months of a year have an average of 30 days in them, then four months of a year will include (4 × 30 = 120 days).

14. How Many Sides are there in a Decagon?

1. 7

2. 8

3. 9

4. 10

Answer: 10

15. What Number Comes Before 9019?

1. 9099

2. 9091

3. 9109

4. None of these

Answer: D, None of these, All the numbers given are bigger than the number 9019, hence they will all come after this number. So, none of these numbers will come before 9019.

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