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Class VII Mathematics Talent Test: Algebraic Expression
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Class VII Mathematics Talent Test: Algebraic Expression
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20 Questions

1. In (– x) the coefficient of x is ______ .
2. What is the coefficient of x in the expression y^2x + y?
3. What is the degree of the polynomial 9xy – 12x2y + 5 – 2x^2y^3?
4. What is the sum of a + b – 1 ,b – a + 1 and 1 – 2b?
5. Subtract -6x^2 from x^2.
6. If the value of the expression x2 – 5x + k for x = 0 is 5, then the value of k is _______ .
7. What should be taken away from 3xy – 2x^2 – 2y^2 to obtain 5x^2 – 7xy + 5y^2?
8. What should be added to x – y to get 2x?
9. If A = 2x – y + 3xy, B = x + 2xy and C = 3y + xy, find the value of A+B+C.
10. What should be added to x^2 + 3xy + y^2 to get x^2 + y^2?
11. Find the value of the expression a^3 + b^3 +c^3 – 3abc for a = 2, b = 3, c = 4.
12. Simplify: p + (p – q) + q + (q – p).
13. Find the value of the expression 5n – 3 for n = -1.
14. How many terms are there in the expression 1.2ab – 2.4b + 3.6a?
15. term of an expression having no literal factor is called a ______.
16. Which of the following pairs of terms is a pair of unlike terms?
17. Which of the following pairs of terms is a pair of unlike terms?
18. What is the value of the expression a2 + ab + 1 for a=0, b=1.
19. The sum of t – 5tz ,2tz – z and z – t is _________ .
20. What should be subtracted from1 to get 1 – x + 2x2?

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