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11th Class Part 1 Mathematics Test Online MCQs With Answers
Question # 1
r r
1
r
2
r
3
=
Choose an answer
abc
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Question # 2
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0
i
-i
1
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Question # 3
How many complex cube roots of unity are there:
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2
0
1
3
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Question # 4
tan
-1
(-x) =
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tan
-1
x
cot
-1
x
-tan
-1
x
-cot
-1
x
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Question # 5
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p is false and q is true
both p and q are false
p is true and q is false
both p and q are true
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Question # 6
Which one is a quadrant angle ?
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60°
180°
120°
30°
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Question # 7
If the elevation of the sun is 30°, the length of the shadow cast by a tower of 150m height is:
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none
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Question # 8
y = sin
-1
x if and only if x = sin y, where:
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Question # 9
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Question # 10
Product of a complex number and its conjugate is:
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a real number
irrationalnumber
a complexnumber
either real number or complexnumber
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Question # 11
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Question # 12
In binomial expansion of (a+b)n, n is positive integer the sum of even coefficients equals:
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none of these
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Question # 13
The period of tan 3x is:
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Question # 14
If n(S) = 3 then n {P(S)} =
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2
8
16
4
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Question # 15
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............:
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3
2
1
4
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Question # 16
To convert any angle in radians into degrees, we multiply the measure by:
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Question # 17
A
-1
exists if A is:
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singular
nonsingular
symmetric
none
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Question # 18
(1 - sin
2
Θ) (1 + tan
2
Θ) =
Choose an answer
0
1
Θ
-1
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Question # 19
If W = {0, 1, 2, 3, 4, ........}, N = {1, 2, 3, 4 ...........} then N - W = ?
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W
{0}
none of these
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Question # 20
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singular
non-singular
rectangular
null
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Question # 21
If α, ß, Γ are the angles of a oblique triangle, then:
Choose an answer
α = 90°
ß = 90°
Γ = 90°
none of these
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