1st Year Math Chapter 1 Number System MCQs With Answers

If your search is to get the 1st Year Math Chapter 1 Number System MCQs With Answers then you have landed on the right site. Here we are providing the important MCQs of the chapter Number System that you can prepare for the entry test. This chapter has topics including Rational and Irrational Systems, Properties of Real Numbers, The real line, and Complex numbers. Through the MCQs that are given below, you will be able to prepare well for the entry test. These 1st Year Maths Chapter 1 MCQs will help you to have a grip on all the topics. Remember in order to perform well, you must prepare well for all the chapters. Here below, a quiz is given that you can solve. Solve the quiz and check the answers. Scroll down and check the MCQs.

1st Year Math Chapter 1 Number System MCQs With Answers

3783

Math Chapter 1

1 / 20

1. π is the ratio:

A) Length of radius/ circumference of circle

B) Length of diameter/ circumference of circle

C) Circumference of circle/ Length of Radius

D) circumference of circle/Length of diameter

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2. A non-terminating and a nonrecurring decimal is

A) a sequence

B) Periodic number

C) a rational number

D) an Irrational number

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3. If n is a prime number, then √n is

A) an Irrational number

B) an Integer

C) a rational number

D) periodic number

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4. If z1 and Z2 are two complex numbers then

A) all of these

B) (z1+Z2) * = z1* + Z2*

C) (z1.z2)* = z1* z2*

D) |z1.z2| = |z1| |z2|

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5. If z1 and z2 are any two complex numbers, then

A) | z1- z2 | < | z1 | - | z2 |

B) |z+z2| < | z1 | +| z2 |

C) |z1 +z2| >= |z1| + | z2|

D) | z 1 + z2 | <=|z1 | + | z2 |

6 / 20

6. For a, b E R if a + b = b + a, then this property is called

A) commutative property w. r. t+

B) Closure property w. r. t +

C) Associative property w..r. t+

D) Distributive property

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7. If n is a negative number, then √n is

A) only negative integer

B) a pure Imaginary

C) an Irrational number

D) a rational number

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8. Multiplicative Inverse of O is

A) Not defined

B) Any real number

C) 1

D) 0

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9. A decimal which has only a finite number of digits in its decimal part is called.

A) Recurring decimal

B) Non terminating decimal

C) Terminating decimal

D) Non recurring

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10. If a is any non-zero real number, then its multiplicative inverse is

A) Not defined

B) -1/a

C) -a

D) 1/a

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11. 5.333......is

A) an integer

B) a prime integer

C) Rational

D) irrational

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12. For any complex number z, it is always true that | z | is .equal to

A) all of these

B) | -z |

C) | z |

D) | -z̄ |

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13. Every Integer is also a

A) a decimal number

B) a rational number

C) an irrational number

D) a Natural number

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14. The numbers which cannot be written in the form of p/q, p,q belong to Z, q is not equal to 0 are:

A) Whole numbers

B) Complex numbers

C) Irrational number

D) Rational number

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15. Every recurring decimal is

A) a rational number

B) a prime integer

C) an Irrational number

D) a whole number

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16. The numbers which can be put in the form of p/q, p,qEZ, and q is not equal to 0 are

A) Natural numbers

B) Irrational numbers

C) Integers

D) Rational numbers

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17. A decimal in which one or more digits repeat indefinitely in its decimal part is called

A) repeated number

B) Infinite set

C) Periodic decimal

D) Terminating decimal

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18. The number '0' is

A) a rational number

B) all of these

C) Even number

D) an-integer

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19. Π (pi) is

A) circumference of circle/Length of diameter

B) Length of diameter/ circumference of circle

C) Circumference of circle/ Length of Radius

D) Length of radius/ circumference of circle

20 / 20

20. 22/7 is:

A) Irrational

B) A whole number

C) Rational

D) An integer

Your score is

1st Year Math Chapter 1 Number System MCQs With Answers

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