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VII Standard Questions

Part A

Choose the correct answer
  1. The algebraic expression 2x is known as
    a. Monomial b. Binomial c. Trinomial d. Polynomial
  2. Find the numerical co-efficient of -5xy
    a. –xy b. -5y c. -5x d. -5
  3. Choose the pair of like terms
    a. 7p, 7x b. 7r, 7x c. -4x, 7x d. -4x, 4
  4. The addition of 3mn, 8mn is
    a. 11mn b. 5mn c. -5mn d. 3mn
  5. a x a x a x a x a is equal to
    a. a+b b. a5 c. 5a d. 5a

    6. Part B

    Fill in the blanks:
  6. The number of terms in the expression 3ab+4c-9 is _____
  7. The subtraction of 5m from -3m is _______
  8. If a=5, the value of 2a+5 is _______
  9. The value of 31 is ______
  10. Degree of the constant term is _______

    11. Part C

    Say True or False
  11. x + (-x) = 0
  12. The expressions 8x + 3y and 7x + 2y cannot be added.
  13. 23 x 32 = 65
  14. 14. The degree of m2n and mn2 are equal.
  15. We can add or subtract like terms only.

    16. Part D

    Answer in one or two words
  16. What is known as the combination variables and constants using the mathematical operations addition and subtraction?
  17. What is known as terms with different algebraic factors?
  18. Which one is greater number of 53 or 35?
  19. What is known as n if an, a is the base?
  20. What is called as (am)n = amxn ?

    21. Part E

    Answer the following Questions : (Very Short Answer Questions)
  21. Find the different kinds of co-efficient of 121bc
  22. If y = 3, then find the value of 4y.
  23. Add the terms: 11abc + 5abc
  24. Solve: p-3 = 7
  25. Find the value of 23

    26. Part F

    Answer the following Questions: (short answer Questins)
  26. Add the expression: 8x+3 and 1-7x
  27. Subtract: 2x-5y from 4x+3y
  28. Solve: 7x+10=80
  29. Expand: a2b3
  30. Simplify: (-5)3