model 1 basic number system Section-Wise Topic Notes With Detailed Explanation And Example Questions
MOST IMPORTANT quantitative aptitude - 6 EXERCISES
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Basic Number System Aptitude Questions Practice Test with PDF »
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The following question based on number system topic of quantitative aptitude
(a) an integer
(b) a real number
(c) a natural number
(d) a whole number
The correct answers to the above question in:
Answer: (b)
Both rational and irrational numbers taken together are called Real numbers.
Therefore, every real number is either a rational number or an irrational number. Hence, every rational number is a real number.
Hence, (B) is the correct option.
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Read more basic number system Based Quantitative Aptitude Questions and Answers
Question : 1
The number $π$ is
a) a fraction
b) a recurring decimal
c) a rational number
d) an irrational number
Answer »Answer: (d)
Pi ($π$) is an irrational number
π is an irrational number that has a value of 22/7 or 3.142…and is a never-ending and non-repeating number.
Irrational numbers are non-terminating
Question : 2
$√2$ is a/an
a) rational number
b) natural number
c) irrational number
d) integer
Answer »Answer: (c)
Question : 3
The number $√3$ is
a) a finite decimal
b) an infinite recurring decimal
c) equal to 1.732
d) an infinite non-recurring decimal
Answer »Answer: (d)
Question : 4
Consider the following statements about natural numbers: (1) There exists a smallest natural number. (2) There exists a largest natural number. (3) Between two natural numbers, there is always a natural number. Which of the above statements is/are correct?
a) None
b) Only 1
c) 1 and 2
d) 2 and 3
Answer »Answer: (b)
1) There exists the smallest natural number - which is 1. So, true.
2) There exists a largest natural number - there is no upper limit to numbers. So, false.
3) Between two natural numbers there is always a natural number - for example, between 1 and 2 there is no natural number. So, false.
Hence, only option 1 is true.
Question : 5
All natural numbers and 0 are called as _______ numbers.
a) Rational
b) Integers
c) Whole
d) Prime
Answer »Answer: (c)
The counting numbers {1, 2, 3, ...} are commonly called natural numbers; however, include 0, so that the non-negative integers {0, 1, 2, 3, ...} are also called natural numbers.
Natural numbers including 0 are also called whole numbers.
Also, Refer to Types of Numbers.
GET number system PRACTICE TEST EXERCISES
model 1 basic number system
model 2 divisibility, multiples, add and subtract based number system
model 3 fraction of numbers
model 4 finding unit place of a number
model 5 smallest and largest fraction/numbers
model 6 operations of consecutive numbers (odd, even, square, etc.)
number system Shortcuts and Techniques with Examples
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model 1 basic number system
Defination & Shortcuts … -
model 2 divisibility, multiples, add and subtract based number system
Defination & Shortcuts … -
model 3 fraction of numbers
Defination & Shortcuts … -
model 4 finding unit place of a number
Defination & Shortcuts … -
model 5 smallest and largest fraction/numbers
Defination & Shortcuts … -
model 6 operations of consecutive numbers (odd, even, square, etc.)
Defination & Shortcuts …
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