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11th Class ICS Mathematics Test Online MCQs With Answers
Question # 1
In any triangle ABC, law of sines is:
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Question # 2
If any two rows of a square matrix are interchanged, the determinant of the resulting matrix:
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is zero
is multiplicative inverse of the determinant of the original matrix
is additive inverse of the determinant the original matrix
none of these
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Question # 3
Number of terms in the expansion of (x+y)
6
is:
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7
6
2
8
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Question # 4
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closureproperty
associativeproperty
commutativeproperty
trichotomyproperty
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Question # 5
A matrix of order m×1 is called:
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row matrix
column matrix
identity matrix
scalar matrix
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Question # 6
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3 ?
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none of these
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Question # 7
The order of a matrix is shown by:
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number of columns + number of rows
number of rows × number of columns
number of columns - number of rows
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Question # 8
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Question # 9
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Question # 10
The objects in a set are called:
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elements
sub-sets
whole numbers
overlapping sets
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Question # 11
No. of triangles can be formed by joining the vertices of the polygon having 12 sides ?
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202
220
110
none of these
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Question # 12
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rationalnumber
irrationalnumber
naturalnumber
wholenumber
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Question # 13
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Question # 14
In binomial expansion of (a+b)
n
, n is positive integer the sum of odd coefficients equals:
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none of these
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Question # 15
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sin x
cosec x
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Question # 16
Reciprocals of the terms of the geometric sequence form:
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A.P
G.P
H.P
none
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Question # 17
Rational numbers are:
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repeating decimals
terminatingdecimals
periodicdecimals
all of these
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Question # 18
The period of sec x is:
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Question # 19
r
3
=
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Question # 20
Two A.Ms. between 3 and 9 are:
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3. 6
5, 7
6, 12
3, 9
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Question # 21
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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