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maths for 8th , multiple choice questions, Summaries of Mathematics

Indiana University EastMathematics

8th mathematics multiple-choice questions

Typology: Summaries

2020/2021

Uploaded on 11/28/2021

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ibadul-qadeer ๐Ÿ‡ฎ๐Ÿ‡ณ

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1. The product ๐‘ฅ๐‘ฅร—๐‘ฅ๐‘ฅ2ร—๐‘ฅ๐‘ฅ3ร—๐‘ฅ๐‘ฅ4 equals
(a) ๐‘ฅ๐‘ฅ5
(b) ๐‘ฅ๐‘ฅ7
(c) ๐‘ฅ๐‘ฅ9
(d) ๐‘ฅ๐‘ฅ10
1. (๐‘ฅ๐‘ฅ+ 7๐‘ฆ๐‘ฆ)(7๐‘ฅ๐‘ฅ โˆ’ ๐‘ฆ๐‘ฆ)=
(a) 7๐‘ฅ๐‘ฅ2โˆ’7๐‘ฆ๐‘ฆ2+48๐‘ฅ๐‘ฅ๐‘ฆ๐‘ฆ
(b) 7๐‘ฅ๐‘ฅ2+ 7๐‘ฆ๐‘ฆ2โˆ’48๐‘ฅ๐‘ฅ๐‘ฆ๐‘ฆ
(c) 7๐‘ฅ๐‘ฅ2+ 7๐‘ฆ๐‘ฆ2+48๐‘ฅ๐‘ฅ๐‘ฆ๐‘ฆ
(d) 7๐‘ฅ๐‘ฅ2โˆ’7๐‘ฆ๐‘ฆ2โˆ’48๐‘ฅ๐‘ฅ๐‘ฆ๐‘ฆ
2. The area of the quadrilateral given in
the figure, where ๐ด๐ด๐ด๐ด =๐‘‘๐‘‘, is
(a) 1
2ร—๐‘‘๐‘‘ร—(โ„Ž1+โ„Ž2)
(b) 1
2ร—๐‘‘๐‘‘ร—(โ„Ž1โˆ’ โ„Ž2)
(c) 1
3ร—๐‘‘๐‘‘ร—(โ„Ž1+โ„Ž2)
(d) 1
3ร—๐‘‘๐‘‘ร—(โ„Ž1โˆ’ โ„Ž2)
3. The volume of a cuboid with sides
๐‘Ž๐‘Ž,๐‘๐‘,๐‘๐‘ is
(a) ๐‘Ž๐‘Ž๐‘๐‘ +๐‘๐‘๐‘๐‘ +๐‘๐‘๐‘Ž๐‘Ž
(b) ๐‘Ž๐‘Ž+๐‘๐‘+๐‘๐‘
(c) ๐‘Ž๐‘Ž2+๐‘๐‘2+๐‘๐‘2
(d) ๐‘Ž๐‘Ž๐‘๐‘๐‘๐‘
4.
5. The factorization of
๐‘ฅ๐‘ฅ2+๐‘ฅ๐‘ฅ๐‘ฆ๐‘ฆ + 8๐‘ฅ๐‘ฅ+ 8๐‘ฆ๐‘ฆ is
(a) (๐‘ฅ๐‘ฅ+๐‘ฆ๐‘ฆ)(๐‘ฅ๐‘ฅ+ 8)
(b) (๐‘ฅ๐‘ฅ โˆ’ ๐‘ฆ๐‘ฆ)(๐‘ฅ๐‘ฅ+ 8)
(c) (๐‘ฅ๐‘ฅ โˆ’ ๐‘ฆ๐‘ฆ)(๐‘ฅ๐‘ฅ โˆ’ 8)
(d) (๐‘ฅ๐‘ฅ+๐‘ฆ๐‘ฆ)(๐‘ฅ๐‘ฅ โˆ’ 8)
6. Factorization of ๐‘๐‘2โˆ’10๐‘๐‘+25 is
(a) (๐‘๐‘+ 5)2
(b) (๐‘๐‘ โˆ’ 5)2
(c) (๐‘๐‘+ 5)(๐‘๐‘ โˆ’ 5)
(d) (๐‘๐‘+ 5)(๐‘๐‘+ 6)
7. ----- is used to compare parts of a
whole.
(a) Histogram
(b) Pie-chart
(c) Bar graph
(d) Line graph
8. ----- displays data that changes
continuously over periods of time.
(a) Histogram
(b) Pie-chart
(c) Bar graph
(d) Line graph

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  1. The product ๐‘ฅ๐‘ฅ ร— ๐‘ฅ๐‘ฅ

2

ร— ๐‘ฅ๐‘ฅ

3

ร— ๐‘ฅ๐‘ฅ

4

equals

(a) ๐‘ฅ๐‘ฅ

5

(b) ๐‘ฅ๐‘ฅ

7

(c) ๐‘ฅ๐‘ฅ

9

(d) ๐‘ฅ๐‘ฅ

10

(a) 7 ๐‘ฅ๐‘ฅ

2

2

(b) 7 ๐‘ฅ๐‘ฅ

2

2

(c) 7 ๐‘ฅ๐‘ฅ

2

2

(d) 7 ๐‘ฅ๐‘ฅ

2

2

  1. The area of the quadrilateral given in

the figure, where ๐ด๐ด๐ด๐ด = ๐‘‘๐‘‘, is

(a)

1

2

ร— ๐‘‘๐‘‘ ร— (โ„Ž

1

2

(b)

1

2

ร— ๐‘‘๐‘‘ ร— (โ„Ž

1

2

(c)

1

3

ร— ๐‘‘๐‘‘ ร— (โ„Ž

1

2

(d)

1

3

ร— ๐‘‘๐‘‘ ร— (โ„Ž

1

2

  1. The volume of a cuboid with sides

๐‘Ž๐‘Ž, ๐‘๐‘, ๐‘๐‘ is

(a) ๐‘Ž๐‘Ž๐‘๐‘ + ๐‘๐‘๐‘๐‘ + ๐‘๐‘๐‘Ž๐‘Ž

(b) ๐‘Ž๐‘Ž + ๐‘๐‘ + ๐‘๐‘

(c) ๐‘Ž๐‘Ž

2

2

2

(d) ๐‘Ž๐‘Ž๐‘๐‘๐‘๐‘

  1. The factorization of

2

  • ๐‘ฅ๐‘ฅ๐‘ฆ๐‘ฆ + 8๐‘ฅ๐‘ฅ + 8๐‘ฆ๐‘ฆ is

(a)

(b)

(c) (๐‘ฅ๐‘ฅ โˆ’ ๐‘ฆ๐‘ฆ)(๐‘ฅ๐‘ฅ โˆ’ 8)

(d) (๐‘ฅ๐‘ฅ + ๐‘ฆ๐‘ฆ)(๐‘ฅ๐‘ฅ โˆ’ 8)

  1. Factorization of ๐‘๐‘

2

โˆ’ 10 ๐‘๐‘ + 25 is

(a)

2

(b) (๐‘๐‘ โˆ’ 5)

2

(c)

(d)

  1. ----- is used to compare parts of a

whole.

(a) Histogram

(b) Pie-chart

(c) Bar graph

(d) Line graph

  1. ----- displays data that changes

continuously over periods of time.

(a) Histogram

(b) Pie-chart

(c) Bar graph

(d) Line graph