RBSE Class 8 Maths Board Paper 2018 English Medium are part of RBSE Class 8 Maths Board Model Papers. Here we have given Rajasthan RBSE Class 8 Maths Board Paper 2018 English Medium.

Board |
RBSE |

Textbook |
SIERT, Rajasthan |

Class |
Class 8 |

Subject |
Maths |

Paper Set |
Board Paper 2018 |

Category |
RBSE Model Papers |

## Rajasthan RBSE Class 8 Maths Board Paper 2018 English Medium

**Time: 2½ Hours**

**Maxim Marks: 80**

**General Instructions to the Examinees**

- Candidates must first, write their Roll No. on the question paper compulsorily.
- All questions are compulsory.
- Write answer to each question in the given answer book only.
- Answers of the questions with internal division should be written at one place.
- Draw a table in your answer-book and give answer of questions number 1 to 6 (M.C.Q.s) in it.
- Weightage of the question is written infront of the question.

Question 1.

Additive inverse of rational number [latex s=1]-\frac {3}{5}[/latex] is :** [1]**

(a) 0

(b) 1

(c) [latex s=1]\frac {3}{5}[/latex]

(d) [latex s=1]-\frac {5}{3}[/latex]

Question 2.

Like term of expression 7x^{2}yis :** [1]**

(a) 7 xy

(b) -10 x^{2}y

(c) 7

(d) 7x^{2}

Question 3.

The formula for sum of interior angles of n-sided polygon is :** [1]**

(a) (n – 4) x 180°

(b) (n – 2) x 90°

(c) (n – 3) x 180°

(d) (n – 2) x 180°

Question 4.

Number of faces in a cube :** [1]**

(a) 12

(b) 8

(c) 6

(d) 10

Question 5.

Which is not a property of rhombus :** [1]**

(a) all sides equal

(b) diagonals equal

(c) diagonals bisects each other

(d) diagonals are perpendicular to each other

Question 6.

Probability of getting a even number when a dice is thrown is :** [1]**

(a) [latex s=1]\frac {1}{2}[/latex]

(b) [latex s=1]\frac {1}{6}[/latex]

(c) [latex s=1]\frac {1}{3}[/latex]

(d) 1

Question 7.

Find cube root of 9261 by prime factor method.** [2]**

Question 8.

Convert following ratios into percentage:** [2]**

- 2 : 5
- 3 : 4

Question 9.

Factorize the expression m^{2 }-10 m + 21.** [2]**

Question 10.

Find number of edges in a polyhedron which have 9 vertices and 9 faces.** [2]**

Question 11.

Answer the following questions by seeing the graph given below :** [2]**

- Write coordinates of vertices A and D of square ABCD.
- Write length of diagonal BD.

Question 12.

Express in standard form :** [4]**

- 15,00,00,000
- 0.0000067

Question 13.

- Find the value of A. Where A is a digit.

[latex]\begin{array}{r} { 1{ \quad A } } \\ { \times \quad { A } } \\ \hline 9{ \quad A } \\ \end{array}[/latex] - Find A and B. Where A and B are digits.

[latex]\begin{array}{r} { { A\quad 2 } } \\ { \times \quad { 6\quad 3\quad 7 } } \\ \hline B\quad 2{ \quad A } \\ \end{array}[/latex]**[4]**

Question 14.

Multiply by using Nikhilam formula :** [4]**

103 × 103 × 103

**OR**

Divide by using Dhwajank Method :** [4]**

18542 ÷ 52

Question 15.

Factorize the expression and divide :** [4]**

(z^{2} – 4z – 12) ÷ (z + 2)

Question 16.

Find the values of unknown angles x, y, z and w in the following figure:** [4]**

Question 17.

Area of a rhombus ABCD is 264 cm^{2}. If length of its one diagonal AC = 24 cm then find length of diagonal BD.** [4]**

Question 18.

Find the product using suitable identity :** [4]**

- (5x – 3) (5x + 3)
- 103 × 99

Question 19.

Length of a rectangle exceeds its breadth by 3 meters. If its perimeter is 54 meter then find its length and breadth.** [4]**

Question 20.

Find the number of sides of a regular polygon if its each exterior angle is 45°.** [4]**

Question 21.

Following pie-chart represents percentage of penalties on various mistakes of automobile drivers.** [4]**

With the help of pie-chart answer the following questions :

- Write total percentage of penalties on dangerious driving and driving without helmet.
- Write difference of percentage of penalties on driving by minor and using mobile phone while driving.

Question 22.

Find compound interest of Rs. 24,000 for 1½ years at the rate of 8% per year, when interest is calculated yearly.** [6]**

**OR**

The population of a town increases at annual rate of 8%. If present population of town is 17,496 then find population of town before 2 years.

Question 23.

Construction a rhombus PQRS whose diagonals are PR = 8 cm and QS = 10 cm.** [6]**

Question 24.

Curved surface areaa of a cylinder is 880 m^{2}, whose height is 10 m. Find volume of cylinder. [latex s=1]\left( \Pi =\frac { 22 }{ 7 } \right) [/latex]** [6]**

**OR**

Determine side of a cube whose total surface area is 1014 cm^{2}. Find its volume.

Question 25.

According to the following table, draw a graph between side and perimeter of square:** [6]**

Side (in cm) |
4 | 5 | 6 | 7 |

Perimeter (in cm) |
16 | 20 | 24 | 28 |

We hope the given RBSE Class 8 Maths Board Paper 2018 English Medium will help you. If you have any query regarding Rajasthan RBSE Class 8 Maths Board Paper 2018 English Medium, drop a comment below and we will get back to you at the earliest.

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