1) If A and B are two disjoint (mutually exclusive) events
then
P(AUB) =
► P(A) + P(B) + P(ACB)
► P(A) + P(B) + P(AUB)
► P(A) + P(B) - P(ACB)
► P(A) + P(B) - P(ACB)
► P(A) + P(B)
2) If p=It is red,
q=It is hot
Then, It is not red but hot is denoted by ~ pU ~ q
► True
► False
3) If ( AUB ) = A, then ( AnB ) = B
► True
► False
► Cannot be determined
How many integers from 1 through 1000 are neither multiple
of 3 nor multiple of 5?
► 333
► 467
► 533
► 497
The value of xfor -2.01 is
► -3
► 1
► -2
What is the expectation of the number of heads when three
fair coins are tossed?
► 1
► 1.34
► 2
► 1.5
Every relation is
► function
► may or may not function
► bijective mapping
► Cartesian product set
The statement p . q o (p Rq)U(q Rp) describes
► Commutative Law
► Implication Laws
► Exportation Law
► Equivalence
The square root of every prime number is irrational
► True
► False
► Depends on the prime number given
A predicate is a sentence that contains a finite number of
variables and becomes a statement when specific values are
substituted for the variables
► True
► False
► None of these
If r is a positive integer then gcd(r,0)=
► r
► 0
► 1
► None of these
Associative law of union for three sets is
► A E (B E C) = (A E B) E C
► A C (B C C) = (A C B) C C
► A E (B C C) = (A E B) C (A E B)
► None of these
Values of X and Y, if the following order pairs are equal.
(4X-1, 4Y+5)= (3,5) will be
► (x,y) = (3,5)
► (x,y) = (1.5,2.5)
► (x,y) = (1,0)
► None of these
The expectation of x is equal to
► Sum of all terms
► Sum of all terms divided by number of terms
► axf (x)
A line segment joining pair of vertices is called
► Loop
► Edge
► Node
The indirect proof of a statement pq involves
► Considering ~q and then try to reach ~p
► Considering p and ~q and try to reach contradiction
► Considering p and then try to reach q
► Both 2 and 3 above
The greatest common divisor of 5 and 10 is
► 5
► 0
► 1
► None of these
Suppose that there are eight runners in a race first will get
gold medal the second will get siver and third will get bronze.
How many different ways are there to award these medals if
all possible outcomes of race can occur and there is no tie.
► P(8,3)
► P(100,97)
► P(97,3)
► None of these
The value of 0! Is
► 0
► 1
► Cannot be determined
A sub graph of a graph G that contains every vertex of G and
is a tree is called
► Trivial tree
► empty tree
► Spanning tree
In the planar graph, the graph crossing number is
► 0
► 1
► 2
► 3
A matrix in which number of rows and columns are equal is called
► Rectangular Matrix
► Square Matrix pg296
► Scalar Matrix
Changing rows of matrix into columns is called
► Symmetric Matrix
► Transpose of Matrix
► Adjoint of Matrix
If A and B are finite (overlapping) sets, then which of the
following must be true
► n(AUB) = n(A) + n(B)
► n(AEB) = n(A) + n(B) - n(ACB)
► n(AEB)= o
► None of these
When 3k is even, then 3k+3k+3k is an odd.
► True
► False
When 5k is even, then 5k+5k+5k is odd.
► True
► False
The product of the positive integers from 1 to n is called
► Multiplication
► n factorial
► Geometric sequence
The expectation m for the following table is
xi 1 3
f(xi) 0.4 0.1
► 0.5
► 3.4
► 0.3
► 0.7
If p= A Pentium 4 computer,
q= attached with ups.
The given graph is
► Simple graph
► Complete graph
► Bipartite graph
► Both (i) and (ii)
► Both (i) and (iii)
P(n) is called proposition or statement.
► True
► False
An integer n is odd if and only if n = 2k + 1 for some integer k.
► True
► False
► Depends on the value of k
By ADEEL ABBAS, Bhakkar. AdeelAbbasbk@gmail.com
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