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

4012

Math Chapter 1

1 / 20

1. If z1 and Z2 are two complex numbers then

A) |z1.z2| = |z1| |z2|

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

C) all of these

D) (z1.z2)* = z1* z2*

2 / 20

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

A) | -z |

B) all of these

C) | -z̄ |

D) | z |

3 / 20

3. Every recurring decimal is

A) a whole number

B) a prime integer

C) a rational number

D) an Irrational number

4 / 20

4. A non-terminating and a nonrecurring decimal is

A) Periodic number

B) an Irrational number

C) a rational number

D) a sequence

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5. 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) Irrational number

B) Whole numbers

C) Complex numbers

D) Rational number

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6. 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) Integers

C) Irrational numbers

D) Rational numbers

7 / 20

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

A) Distributive property

B) Closure property w. r. t +

C) commutative property w. r. t+

D) Associative property w..r. t+

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8. 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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9. 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

10 / 20

10. Multiplicative Inverse of O is

A) 0

B) 1

C) Not defined

D) Any real number

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

A) an Irrational number

B) a pure Imaginary

C) a rational number

D) only negative integer

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

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

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

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

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

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13. Every Integer is also a

A) a decimal number

B) an irrational number

C) a rational number

D) a Natural number

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14. π is the ratio:

A) Length of radius/ circumference of circle

B) Length of diameter/ circumference of circle

C) circumference of circle/Length of diameter

D) Circumference of circle/ Length of Radius

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15. If n is a prime number, then √n is

A) an Irrational number

B) a rational number

C) periodic number

D) an Integer

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16. 22/7 is:

A) Irrational

B) An integer

C) Rational

D) A whole number

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

A) -a

B) 1/a

C) Not defined

D) -1/a

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

A) Infinite set

B) Terminating decimal

C) Periodic decimal

D) repeated number

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19. 5.333......is

A) a prime integer

B) an integer

C) Rational

D) irrational

20 / 20

20. The number '0' is

A) a rational number

B) Even number

C) all of these

D) an-integer

Your score is

1st Year Math Chapter 1 Number System MCQs With Answers

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