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Class VII Mathematics Talent Test: Algebraic Expression
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Avg score: 13% • Most missed: “What is the value of the expression a2 + ab + 1 for a=0, b=1.”
Class VII Mathematics Talent Test: Algebraic Expression
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20 Questions

1. What should be subtracted from1 to get 1 – x + 2x2?
2. What is the value of the expression a2 + ab + 1 for a=0, b=1.
3. What should be added to x – y to get 2x?
4. Simplify: p + (p – q) + q + (q – p).
5. What should be added to x – y to get 2x?
6. What is the coefficient of x in the expression y^2x + y?
7. If the value of the expression x2 – 5x + k for x = 0 is 5, then the value of k is _______ .
8. What should be added to x^2 + 3xy + y^2 to get x^2 + y^2?
9. The sum of t – 5tz ,2tz – z and z – t is _________ .
10. Simplify: p + (p – q) + q + (q – p).
11. In (– x) the coefficient of x is ______ .
12. Which of the following pairs of terms is a pair of unlike terms?
13. Which of the following pairs of terms is a pair of unlike terms?
14. How many terms are there in the expression 1.2ab – 2.4b + 3.6a?
15. What is the sum of a + b – 1 ,b – a + 1 and 1 – 2b?
16. What should be added to x^2 + 3xy + y^2 to get x^2 + y^2?
17. In (– x) the coefficient of x is ______ .
18. Subtract -6x^2 from x^2.
19. Subtract -6x^2 from x^2.
20. What should be taken away from 3xy – 2x^2 – 2y^2 to obtain 5x^2 – 7xy + 5y^2?

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