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11th Class Part 1 Mathematics Test Online MCQs With Answers
Question # 1
3
2x
- 3
x
- 6 = 0 is:
Choose an answer
reciprocal equation
exponentialequation
radicalequation
none of these
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Question # 2
A sequence is denoted by:
Choose an answer
{a
n
}
a
n
a
1
+ (n-1) d
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Question # 3
If f(x) = arccos x, then:
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Question # 4
Choose an answer
B
A
none of these
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Question # 5
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Question # 6
The ordered pairs (4, 5) and (5, 4) are:
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same
different
both a and b
N
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Question # 7
If an angle α is allied to an angle ß, then α ± ß = __________:
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90°
multiple of 90°
180°
multiple of 180°
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Question # 8
Factors of x
2
+ y
2
are:
Choose an answer
(x + iy) (x - iy)
(x + y) (x - y)
(x + y) (x + y)
none
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Question # 9
The number of subsets of a set having three elements is:
Choose an answer
2
3
4
8
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Question # 10
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Question # 11
Choose an answer
T
6
T
7
T
8
T
5
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Question # 12
A key ring is an example of:
Choose an answer
permutation
circulation permutation
combination
none
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Question # 13
Choose an answer
A
B
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Question # 14
Choose an answer
4
6
8
10
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Question # 15
If a
n-1
= 2n - 3 then a
n+1
=
Choose an answer
2n - 1
2n + 1
2n + 3
none
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Question # 16
Choose an answer
None
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Question # 17
Choose an answer
real numbers
complexnumbers
primenumbers
oddnumbers
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Question # 18
The identity element in a group is:
Choose an answer
unique
inifinite
both a and b
not possible
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Question # 19
Choose an answer
i
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Question # 20
If α, ß are complex cube roots of unity, then 1 + α
n
+ ß
n
= .......... where n is a positive integer divisible by 3:
Choose an answer
1
3
2
4
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Question # 21
cos (α-ß) =
Choose an answer
cos α cos ß + sin α sin ß
cos α cos ß - sin α sin ß
cos α cos ß + sin α cos ß
sin α cos ß - sin α sin ß
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