Real Numbers MCQs Class 8 with Answers

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Real Numbers MCQs Class 8 with Answers. We covered all the Real Numbers MCQs Class 8 with Answers on our website for completely free.

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Class 8th Real Numbers MCQs with Answers for School Students

’48’ is the square root of :

1.844

2. 1444

3. 1764

4. 2304

Option 4 – 2304

If a group is to be an abelian, it should satisfy :

1. Commutative property

2. Multiplicative distributive property

3. Ordered properties

4. All of these

Option 1 – Commutative property

If the length and breadth of rectangular field a are in the ratio 4 : 3 and the area of the field is 1 hectare 2288 sq.mts, then its perimeter is :

1. 224 meters

2. 44.8 meters

3. 448 meters

4. 448 decimeters

Option 3 – 448 meters

The least natural number by which 1152 shall be multiplied to make it a perfect cube?

1. 6

2. 2

3. 8

4.16

Option 2 – 2

If the area of a square is 16 hectares, then the length of its side is ?

1. 4m

2. 400m

3. 40 m

4. 0.4 hectameter

Option 2 – 400m

If the area of a square shaped house site is 1225 sq.mts, then its perimeter, is?

1. 1400 decimeters

2. 14 meters

3. 14000 millimeters

4. 1400 meters

Option 1 – 1400 decimeters

Which of the following are irrational numbers?

1. All non-terminating and non-repeating decimals

2. All terminating but recurring decimals

3. All terminating decimals

4. 2 & 3

Option 1 – All non-terminating and non-repeating decimals

The set of irrational numbers is :

1. a finite set

2. an infinite set

3. a null set

4. a singlaton set

Option 2 – an infinite set

Which of the following is a transitive property?

1. For any tow rational numbers x, y only one of the fol lowing relations holds good (i) xy

2. If x, y, z are three rational numbers and if x>y; y>z then x>z

3. If x, y, z are three rational numbers and if xy+z

4. If x, y, z are three rational numbers and if x>y and z is a positive number, then xz>yz

Option 2 – If x, y, z are three rational numbers and if x>y; y>z then x>z

The no. of rational numbers that exist between any two rational numbers, is :

1. finite

2. infinite

3. zero

4. one

Option 2 – infinite

The property which a set of rational numbers have, is :

1. If x is a rational number, only one of the following is true (i) x<0 (ii) x=0 (iii) x>0

2. If x any y are any tow rational numbers, only one of the following is true (i) xy

3. x,y, z are three rational numbers. If x<y and y<z then x<z

4. All of the above

Option 4 – All of the above

The number whose multiplicative inverse is itself, is :

1. 0

2. 1

3. any rational number

4. None of these

Option 2 – 1

The set of numbers that possess the property of density, is :

1. Z

2. Q

3. R

4. 2 and 3

Option 4 – 2 and 3

If the denominator of a fraction in its lowest terms, has no other prime factors except 2 and 5, then :

1. it can be expressed as a terminating decimal

2. it can be expressed as a non-terminating but repeating decimal

3. it can be expressed as a non-terminating and non repeating decimal

4. all of these

Option 1 – it can be expressed as a terminating decimal

The period in 690.384615, is :

1. 384615

2. 690

3. 690384615

4. 6

Option 1 – 384615

The periodicity of 4627.428571, is :

1. 4

2. 10

3. 6

4. 19

Option 3 – 6

We covered all the real numbers MCQs class 8 with answers in this post above for free so that you can practice well for the competitive exams. There are also some more MCQs covered on our website related to maths and GK which are provided in the related posts above, Make sure you also check them.

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