Algebra - One Mark Questions

8th Standard EM

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Maths

Time : 00:30:00 Hrs
Total Marks : 10
    5 x 1 = 5
  1. The product of 7p3 and (2p2)2 is

    (a)

    14p12

    (b)

    28B7

    (c)

    9p7

    (d)

    11p12

  2. The missing terms in the product -3m3n X9(_)m4n3 are

    (a)

    mn2,27

    (b)

    m2n,27

    (c)

    m2n2,-27

    (d)

    mn2,-27

  3. If the area of a square is 36x4y2then, its side is______

    (a)

    6x4y2

    (b)

    8x2y2

    (c)

    6x2y2

    (d)

    -6x2y

  4. If the area of a rectangle is 48m2n3 and whose length is 82mn then, its breadth is______

    (a)

    6mm

    (b)

    8m2n

    (c)

    7m2n2

    (d)

    6m2n2

  5. If the area of a rectangular land is(a2-b2)− sq.units whose breadth is()ab− then, its length is__________

    (a)

    a-b

    (b)

    a+b

    (c)

    a2-b

    (d)

    (a+b)2

  6. 3 x 1 = 3
  7. \(\cfrac { { 18m }^{ 4 } }{ { 2m }^{ 3 }{ n }^{ 5 } } =\_ \_ \_ { mn }^{ 5 }\)

    ()

    \(\cfrac { 18{ m }^{ 4 }(n^{ 98 }) }{ 2m^{ (3) }{ n }^{ 3 } } =9mn^{ 5 }\)

  8. \(\cfrac { { I }^{ 4 }{ m }^{ 5 }{ n }^{ (\_) } }{ 2lm^{ (3) }{ n }^{ 6 } } =\cfrac { { l }^{ 3 }{ m }^{ 2 }n }{ 2 } \)

    ()

    \(\cfrac { { I }^{ 4 }{ m }^{ 5 }{ n }^{ (7) } }{ 2lm^{ (3) }{ n }^{ 6 } } =\cfrac { { l }^{ 3 }{ m }^{ 2 }n }{ 2 } \)

  9. \(\cfrac { { 42a }^{ 4 }{ b }^{ 5 }\left( \_ \right) }{ { 6a }^{ 4 }{ b }^{ 2 } } =\left( \_ \right) { b }^{ 3 }{ c }^{ 2 }\)

    ()

     \(\cfrac { { 42a }^{ 4 }{ b }^{ 5 }\left( c^2 \right) }{ { 6a }^{ 4 }{ b }^{ 2 } } =\left( 7 \right) { b }^{ 3 }{ c }^{ 2 }\)

  10. 2 x 1 = 2
  11. 8x3y÷4x2=2xy

    (a) True
    (b) False
  12. 7ab3÷14ab=2b2

    (a) True
    (b) False

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