Model 1 Basic Number System Practice Questions Answers Test With Solutions & More Shortcuts
NUMBER SYSTEM PRACTICE TEST [6 - 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.)
Question : 1 [R.R.B. 2006]
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.
Question : 2
Consider the following statements about natural numbers:
- There exists a smallest natural number.
- There exists a largest natural number.
- Between two natural numbers, there is always a natural number.
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 statement 1 is true. So, Option B is correct.
Question : 3
Every rational number is also
a) an integer
b) a real number
c) a natural number
d) a whole number
Answer »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.
Question : 4 [R.R.B., 2005]
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 : 5
$√2$ is a/an
a) rational number
b) natural number
c) irrational number
d) integer
Answer »Answer: (c)
IMPORTANT QUANTITATIVE APTITUDE EXERCISES
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Basic Number System Aptitude Questions Practice Test with PDF »
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Number System on Divisibility Multiple Add Subtract Live Test »
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Top 255+ Number System Fraction Aptitude Questions Answers »
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Top +299 Aptitude Number System (Find Unit Place) Mcq Quiz »
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Top Number System Aptitude (Smallest Largest Fraction) MCQ »
-
199+ Aptitude Number System: Consecutive Numbers MCQ Quiz »
Model 1 Basic Number System Shortcuts »
Click to Read...Model 1 Basic Number System Online Quiz
Click to Start..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 …
QUANTITATIVE APTITUDE CATEGORIES
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» Number System
-
» Average
-
» LCM & HCF
-
» Percentage
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» Profit & Loss
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» Time & Work
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» Pipes & Cisterns
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» Time & Distance
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» Trains
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» Compound Interest
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» Simplification
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» Discount
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» Power
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» Permutations & Combination
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» Ratio & Proportion
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» Advance Math
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» Algebraic Expressions
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» Trigonometric Ratios & Identities
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» Simple Interest
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» Alligation & Mixtures
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» Boats & Streams
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» Set Theory
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» Linear Equations
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» Quadratic Equations
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» Mensuration
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» Squareroots & Cuberoots
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» Data Sufficiency
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» Logarithm
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» Probability
-
» Statistics
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