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11th Class Part 1 Mathematics Test Online MCQs With Answers
Question # 1
To convert any angle in radians into degrees, we multiply the measure by:
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Question # 2
A sequence is denoted by:
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{a
n
}
a
n
a
1
+ (n-1) d
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Question # 3
The range of principal tangent function is:
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Question # 4
What is the common difference of the sequence 11, 5, -1, ......... ?
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6
-6
none of the foregoing numbers
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Question # 5
If the initial side of an angle is the positive x-axis and the vertex is at the origin, the angle is said to be in the _____________:
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initial position
finalposition
normalposition
standardposition
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Question # 6
If the roots of x
2
- bx + c = 0 are two consecutive integers, then: b
2
- 4ac =
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0
1
-1
2
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Question # 7
If S is the H.M between 2 and b then b = :
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-10
10
7
5
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Question # 8
No. of signals made by 4 flags of different colors using 2 flags at a time:
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6
12
60
none
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Question # 9
Minors and co-factors of the elements in a determinant are equal in magnitude but they may differ in:
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order
position
sign
symmetry
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Question # 10
- 72° = ___________________:
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none of these
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Question # 11
If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then:
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s = rα
s = r + α
none of these
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Question # 12
If, for all x in the domain of f, there exists a smallest positive number p such that f (x+p) = f(x), then p is the:
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period of f
period of 2f
period of 3 f
period of 4 f
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Question # 13
If two rows (or two columns) in a square matrix are identical (i.e. corresponding elements are equal), the value of the determinant is:
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0
1
-1
±1
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Question # 14
If cosec Θ > 0 and cot Θ < 0, then terminal arm of the angle lies in:
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I
II
III
IV
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Question # 15
Inverse of an element in a group is:
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infinite
finite
unique
not possible
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Question # 16
The period of 2 + cos 3x is:
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Question # 17
Which one is exponential equation:
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ax
2
+ bx + c = 0
ax + b = 0
2
x
= 16
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Question # 18
A
-1
exists if A is:
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singular
nonsingular
symmetric
none
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Question # 19
5x
2
+ 8x + 3 = 0 is:
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Question # 20
Number of digits multiple of 5 made from the digits 2, 3, 5, 7, 9 is:
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5
24
20
none
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Question # 21
Period of a trigonometric function is:
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any real number
any negative real number
any integer
a least positive number
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