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11th Class Part 1 Mathematics Test Online MCQs With Answers
Question # 1
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Question # 2
No. of signals made by 5 flags of different colors using 3 flags at a time is:
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60
15
10
None
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Question # 3
If the Discriminant of a quadratic equation is a perfect square, then roots are:
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real and equal
complex
rational
irrational
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Question # 4
The identity element in a group is:
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unique
inifinite
both a and b
not possible
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Question # 5
No. of selection of n different things out of n is:
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1
n
n!
none
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Question # 6
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a + c = b + d
a + b = c + d
a - b = c - d
None of these
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Question # 7
A reference angle Θ is always:
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Question # 8
The middle term in the expansion of (a+b)
20
is;
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10
th
term
11
th
term
12
th
term
13
th
term
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Question # 9
In triangle ABC, If Γ = 90° then:
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b = c + a
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Question # 10
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cancellation property w.r.t multiplication
cancellationproperty w.r.t addition
multiplicativeproperty
additiveproperty
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Question # 11
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Question # 12
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 # 13
If α, ß are complex cube roots of unity, then 1 + α
n
+ ß
n
= .......... where n is a positive integer divisible by 3:
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1
3
2
4
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Question # 14
No. of triangles can be formed by joining the vertices of the polygon having 5 sides ?
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10
15
20
none of these
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Question # 15
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none of these
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Question # 16
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Question # 17
If A is a matrix of order m × n, then the number of elements in each row of A is:
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m
n
m + n
m - n
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Question # 18
A.M between x - 3 & x + 5 is __________:
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x + 1
x - 1
2x + 2
none
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Question # 19
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Question # 20
How many complex cube roots of unity are there:
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2
0
1
3
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Question # 21
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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