8th Standard Maths English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Eight

8th Standard

    Reg.No. :
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Maths

Time : 00:15:00 Hrs
Total Marks : 15

    Part A

    15 x 1 = 15
  1. \(\frac { 1 }{ 2 } -\left( \frac { 3 }{ 4 } -\frac { 5 }{ 6 } \right) \neq \left( \frac { 1 }{ 2 } -\frac { 3 }{ 4 } \right) -\frac { 5 }{ 6 } \) illustrates that subtraction does not satisfy the ________ property for rational numbers.

    (a)

    commutative

    (b)

    closure

    (c)

    distributive

    (d)

    associative

  2. \(\frac{5}{6}\div\frac{6}{2}\) is 

    (a)

    \(\frac{5}{2}\)

    (b)

    \(\frac{2}{5}\)

    (c)

    \(\frac{5}{18}\)

    (d)

    \(\frac{30}{12}\)

  3. If V = 6, E = 12 then the faces of the polyhedron is

    (a)

    6

    (b)

    7

    (c)

    8

    (d)

    9

  4. A closed plane figure formed by three or more sides is called a

    (a)

    quadrilateral

    (b)

    pentagon

    (c)

    triangle

    (d)

    polygon

  5. The product of 7p3 and (2p2)2 is

    (a)

    14p12

    (b)

    28P7

    (c)

    9p7

    (d)

    11p12

  6. In a polynomial, the exponents of the variables are always ___________.

    (a)

    integers

    (b)

    positive integers

    (c)

    non negative integers

    (d)

    non-positive integers

  7. Common factor of 17abc, 34ab2, 51a2 b is _________.

    (a)

    17 abc

    (b)

    17 ab

    (c)

    17 ac

    (d)

    17 a2b2c2

  8. If ΔABC~ΔPQR in which ∠A = 53o and ∠Q = 77o, then R is

    (a)

    50°

    (b)

    50°

    (c)

    70°

    (d)

    80°

  9. A fruit vendor sells fruits for Rs. 200 gaining Rs. 40. His gain percentage is

    (a)

    20%

    (b)

    22%

    (c)

    25%

    (d)

    16\(\frac { 2 }{ 3 } \)%

  10. The number of conversion periods, if the interest on a principal is compounded every two months is___________.

    (a)

    2

    (b)

    4

    (c)

    6

    (d)

    12

  11. What sum of money will earn Rs.500 as simple interest in 1 year at 5% per annum?

    (a)

    50000

    (b)

    30000

    (c)

    10000

    (d)

    5000

  12. Two numbers are said to be co-prime numbers if their HCF is

    (a)

    2

    (b)

    3

    (c)

    0

    (d)

    1

  13. 0.0000000002020 in scientific form is

    (a)

    2.02 \(\times\) 109

    (b)

    2.02 \(\times\) 10−9

    (c)

    2.02 \(\times\) 10−8

    (d)

    2.02 \(\times\) 10−10

  14.  Histogram is a graph of a ________ frequency distribution.

    (a)

    continuous

    (b)

    discontinuous

    (c)

    discrete

    (d)

    none of these

  15. The best shopping choice is

    (a)

    always shop at brand name stores

    (b)

    the same thing my friends bought

    (c)

    compare the choices before buying

    (d)

    always buy at a regular shop

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