Term 2 Algebra Model Question Paper

7th Standard EM

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Maths

Time : 01:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. The exponential form of 72 is

    (a)

    72

    (b)

    27

    (c)

    22 × 33

    (d)

    23 × 32

  2. Observe the equation (10 + y)4 =50625 and find the value of y.

    (a)

    1

    (b)

    5

    (c)

    4

    (d)

    0

  3. The unit digit of (32 x 65)0 is

    (a)

    2

    (b)

    5

    (c)

    0

    (d)

    1

  4. The degree of 6x7−7x3 + 4 is

    (a)

    7

    (b)

    3

    (c)

    6

    (d)

    4

  5. If p(x) and q(x) are two expressions of degree 3, then the degree of p(x) + q(x) is

    (a)

    6

    (b)

    0

    (c)

    3

    (d)

    Undefined

  6. 5 x 2 = 10
  7. Find the value of the following.
    54

  8. Find the value of the following.
    93

  9. Express each of the following numbers using exponential form.
    512

  10. Express each of the following numbers using exponential form.
    343

  11. Simplify the following.
    52 ×104

  12. 5 x 3 = 15
  13. Express the following numbers in exponential form with the given base:
    1000, base 10

  14. Express the following numbers in exponential form with the given base:
    512, base 2

  15. Which is greater 34 or 43?

  16. Expand a3b2 and a2b3. Are they equal?

  17. Simplify using quotient rule of exponents.
    \(\frac { { 6 }^{ 4 } }{ { 6 }^{ 0 } } \)

  18. 4 x 5 = 20
  19. Find the unit digit of the following exponential numbers:
    2523

  20. Find the unit digit of the following exponential numbers:
    81100

  21. Find the unit digit of the large numbers:
    6410

  22. Find the unit digit of the large numbers:
    912

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