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11th Class Part 1 Mathematics Test Online MCQs With Answers
Question # 1
2 sin α cos ß =
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sin (α + ß) - sin (α - ß)
cos (α + ß) + cos (α - ß)
sin (α + ß) + sin (α - ß)
cos (α + ß) - cos (α - ß)
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Question # 2
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Question # 3
A circle passing though the vertices of a triangle is known as:
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Question # 4
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none of these
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Question # 5
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equal sets
null sets
overlapping sets
subsets
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Question # 6
Amplitude of sin x is:
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R
[-1,1]
0
1
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Question # 7
The number of radius in the angle subtended by an arc of a circle at the center =
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radius × arc
radius - arc
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Question # 8
The domain of principal tangent function is:
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Question # 9
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rational number
irrational number
natural number
whole number
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Question # 10
What is the general term of the sequence 2, 4, 6, 8, ........... ?
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2n
n + 1
2n
2
none of these
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Question # 11
In how many ways two places can be filled by n objects:
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n(n-1)
2!
n(n+1)
None
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Question # 12
If a
n-1
= 2n - 3 then a
n+1
=
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2n - 1
2n + 1
2n + 3
none
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Question # 13
y = tan-1 x if and only if x = tan y, where:
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-1 < x < 1 and - π < y < π
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Question # 14
In triangle ABC, if α = 90° then:
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none of these
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Question # 15
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3×1
1×3
3×3
1×1
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Question # 16
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1
0
2
3
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Question # 17
In any triangle ABC, law of cosines is:
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Question # 18
The imaginary part of the complex number a + bi is:
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a
b
bi
none of these
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Question # 19
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1
-5
-1
none
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Question # 20
For what value of k, the roots of the equation x
2
+ √k x + 2 = 0 are equal:
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1
8
2
4
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Question # 21
- 72° = ___________________:
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none of these
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