Algebraic Expressions and Identities MCQs with answers
Dear candidates you will find MCQ questions of 8th Class - Math | Chapter: Algebraic Expressions and Identities here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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Q. How many terms are there in the expression 4a – lab + 3b + 12 ?
✅ Correct Answer: (D)
4
Q. How many terms are there in the expression 5xy + 9yz + 3zx + 5x – 4y ?
✅ Correct Answer: (D)
5
Q. The number of like terms in
abc, -abc, -bca, acb, bac, \(\frac{1}{2}\)cab is
abc, -abc, -bca, acb, bac, \(\frac{1}{2}\)cab is
✅ Correct Answer: (A)
6
Q. The number of like terms in
\(\frac{1}{4}\)a²bc, – \(\frac{2}{3}\)bca², \(\frac{2}{5}\) ba²c, – \(\frac{1}{2}\)cba² is
\(\frac{1}{4}\)a²bc, – \(\frac{2}{3}\)bca², \(\frac{2}{5}\) ba²c, – \(\frac{1}{2}\)cba² is
✅ Correct Answer: (A)
4
Q. The area of a rectangle whose length and breadth are 9y and 4y² respectively is
✅ Correct Answer: (C)
36y³
Q. The area of a rectangle with length 2l²m and breadth 3lm² is
✅ Correct Answer: (A)
6l³m³
Q. An algebraic expression that contains only one term is called
✅ Correct Answer: (A)
Monomial
Q. If we add, 7xy + 5yz – 3zx, 4yz + 9zx – 4y and -3xz + 5x – 2xy, then the answer is:
✅ Correct Answer: (A)
5xy + 9yz + 3zx + 5x – 4y
Q. If we subtract 4a – 7ab + 3b + 12 from 12a – 9ab + 5b – 3, then the answer is:
✅ Correct Answer: (C)
8a – 2ab + 2b – 15
Q. The volume of a rectangle with length, breadth and height as 5x, 3x2 and 7x4 respectively is
✅ Correct Answer: (A)
105x7
Q. In which of the following, the two expressions are like terms ?
✅ Correct Answer: (B)
7x and 9x
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