Refer to CBSE Class 8 Mathematics Algebraic Expressions and Identities MCQs provided below available for download in Pdf. The MCQ Questions for Class 8 Mathematics with answers are aligned as per the latest syllabus and exam pattern suggested by CBSE, NCERT and KVS. Multiple Choice Questions for Chapter 9 Algebraic Expressions and Identities are an important part of exams for Class 8 Mathematics and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for CBSE Class 8 Mathematics and also download more latest study material for all subjects
MCQ for Class 8 Mathematics Chapter 9 Algebraic Expressions and Identities
Class 8 Mathematics students should refer to the following multiple-choice questions with answers for Chapter 9 Algebraic Expressions and Identities in Class 8.
Chapter 9 Algebraic Expressions and Identities MCQ Questions Class 8 Mathematics with Answers
Question:
a) 152
b) 150
c) 148
d) none
Answer: 152
Question:
a) a + b + c
b) none
c) 0
d) 1
Answer: a + b + c
Question: The value of (x + 3)3 – (x – 3)3 is
a) 18x2 + 54
b) 1 – x3
c) 0
d) 3x2 – 5
Answer: 18x2 + 54
Question: The value of 25x2 + 16y2 + 40xy at x = 1 and y = –1 is
a) 1
b) 81
c) – 48
d) none
Answer: 1
Question:
a) – 2xy
b) – 12xy
c) 2 xy
d) 12 xy
Answer: – 2xy
Question:
a) 9
b) 1.176
c) 6.66
d) none
Answer: 9
Question:
a) 8
b) 4
c) 2
d) 6
Answer: 8
Question:
a) 9
b)
c) Both
d) None of these
Answer: 9
Question: If 3x – 7y = 10 and xy = – 1 then the value of 9x2 + 49y2 is
a) 58
b) 14/2
c) 104
d) – 104
Answer: 58
Question:
a) 32
b) 136
c) 64
d) 68
Answer: 32
Question:
a) 316
b) 361
c) – 188
d) none
Answer: 316
Question:
a)
b)
c)
d) 0
Answer:
Put a tick mark(√) on the correct answer :
Q1.What is the sum of 7xy + 5yz – 3xz & 2xy + 4yz + 2xz ?
(i) 8xy + yz -- xz (ii) 9xy + 9yz -- xz (iii) 9xy + 9yz + xz (iv) 9xy + 9yz + 5xz
Q2. What should be subtracted from 2x2 – 5y2 + 7z2 to get x2 – y2 + z2
(i) x2 –4 y2 +6 z2 (ii) x2 –3y2 +6 z2 (iii)3 x2 – 2y2 +2 z2 (iv) x2 – y2 + z2
Q3.What is the product of 3xy, 4xy & 2xz ?
(i) 24xyz (ii) 24x2yz (iii) 24 x3y2z (iv) 24 x3y2z2
Q4.What is the area of the rectangle of length 4xy & breadth 2xy ?
(i) 8xy2 (ii) 8x2y (iii) 4 x3y2z (iv) 8 x2y2
Q5.What is the volume of the cuboid of length 8xy , breadth 3xy & height xy ?
(i) 24xy2 (ii) 24x2y (iii)2 4 x3y2 (iv) 24 x3y3
Q6. What is the value of the expression 2ab + 3bc + 4ac, when a = b = c = 1?
(i) 5 (ii) 6 (iii) 7 (iv) 8
Q7. What is the formulae for ( x - y )2 ?
(i) x2 + 2xy + y2 (ii) x2 -- 2xy + y2 (iii) x2 -- 2xy -- y2 (iv) x2 -- y2
Q8. What is the simplified form of ( a2 – b2 )2 ?
(i) a4 + 2a2b2 + b4 (ii) a4 -- 2a2b2 + b4 (iii) a4 -- 2a2b2 -- b4 (iv) a4 + a2b2 + b4
Question: (3x – 5y)3 – (5x – 2y)3 + (2x + 3y)3
a) – 3 (3x – 5y) (2x – 5y) (2x + 3y)
b) 3(3x – 5y) (5x – 2y) ( 2x + 3y)
c) (3x – 5y) (2y – 5x) (2x + 3y)
d) (3x – 5y) (5x – 2y) (2x + 3y)
Answer: – 3 (3x – 5y) (2x – 5y) (2x + 3y)
Question: If a + b + c = 9 and ab + bc + ca = 26, then the value of a3 + b3 + c3 – 3abc is
a) 27
b) 29
c) 729
d) 495
Answer: 27
Question: If x3 + y3 + z3 = 3xyz then the relation between x, y and z is
a) either x + y + z = 0 (or) x = y = z
b) x + y + z = 0
c) x = y = z
d) neither x + y + z = 0 nor x = y = z
Answer: either x + y + z = 0 (or) x = y = z
Question: The equality b2 + 5 > 9b + 12 us satisfied if
a) b > 9 (or) b < 0
b) b > 8 (or) b < 0
c) b > 9 (or) b < 1
d) b = 10 (or) b = – 1
Answer: b > 9 (or) b < 0
Question:
a) greater than 2
b) grater than 4
c) less than 2
d) less than 4
Answer: greater than 2
Question:
a) 100
b) 1
c) 10
d) none
Answer: 100
Question:
a) 1
b) ½
c) 0
d) none
Answer: 1
Question:
a) 0.1
b) 0.04
c) 0
d) 0.2
Answer: 0.1
Question: If 2x + y = 5 then 4x + 2y is equal to
a) 10
b) 8
c) 5
d) 9
Answer: 10
Question: If x + y = 6 and 3x – y = 4 then x – y is equal to
a) – 1
b) 2
c) 0
d) 4
Answer: – 1
Question: If the product of two numbers is 10 and the sum is 7, then the larger of the two numbers is
a) 5
b) – 2
c) 2
d) None of these
Answer: 5
Question: The value of (55)3 – (75)3 + (20)3 is
a) – 247500
b) 125320
c) 251750
d) none
Answer: – 247500
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MCQs for Mathematics CBSE Class 8 Chapter 9 Algebraic Expressions and Identities
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Chapter 9 Algebraic Expressions and Identities MCQs Mathematics CBSE Class 8
All MCQs given above for Class 8 Mathematics have been made as per the latest syllabus and books issued for the current academic year. The students of Class 8 can refer to the answers which have been also provided by our teachers for all MCQs of Mathematics so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided lot of MCQ questions for Class 8 Mathematics so that you can solve questions relating to all topics given in each chapter. All study material for Class 8 Mathematics students have been given on studiestoday.
Chapter 9 Algebraic Expressions and Identities CBSE Class 8 MCQs Mathematics
Regular MCQs practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of Chapter 9 Algebraic Expressions and Identities concepts. MCQs play an important role in developing understanding of Chapter 9 Algebraic Expressions and Identities in CBSE Class 8. Students can download and save or print all the MCQs, printable assignments, practice sheets of the above chapter in Class 8 Mathematics in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 8 Mathematics MCQ Test for the same chapter
CBSE MCQs Mathematics Class 8 Chapter 9 Algebraic Expressions and Identities
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