A non-terminating and non-periodic decimal is
Arational
Bprime
Cirrational
Dimaginary
Mathematics · Question Bank
algebra
274 of 433 questions match · page 8 of 14. Answer in your head first, then check the solution.
The probability that an event is certain to occur is
Agreater than one
Bless than one
Cequal to one
Dequal to zero
Radicals can be added to form a single radical if they have the same radicand and the same
Apower
Bexponent
Cindex
Dcoefficient
A set of elements that is taken without regard to the order in which the elements are arranged is called a
Asequence
Bpermutation
Ccombination
Dprogression
If b = 0, then the number a + bi is
Acomplex
Breal
Cimaginary
Dirrational
How many prime numbers are there between 200 and 210?
Aone
Bthree
Cnone
Dtwo
A harmonic progression is a sequence of numbers such that the reciprocals of the numbers will form a
Ageometric progression
Barithmetic progression
Cinfinite progression
Dfinite progression
If a, b and c are rational numbers and if b² – 4ac is positive but not perfect square, then the roots of the quadratic equation ax² + bx + c = 0 are
Areal, irrational and unequal
Breal, rational and unequal
Creal, rational and equal
Dreal, irrational and unequal
The equation xy = 0 implies that
Ax = 0 and y = 0
Bx = 0 or y = 0
Cx = 0 and y is not equal to zero
Dx = 0 or y is not equal to zero
Which of the following best describes \((-3)^{½}\)?
Airrational number
Bpure imaginary number
Cnatural number
Dcomplex number
It is a sequence of numbers such that the successive terms differ by a constant.
Ageometric progression
Barithmetic progression
Charmonic progression
Dinfinite progression
If the discriminant of a quadratic equation is greater than zero, the roots of the equation are
Areal and equal
Breal and distinct
Ccomplex and unequal
Dimaginary and distinct
In the theory of sets, the relation (A ᴗ B)’ = A’ ᴖ B’ expresses which of the following laws on set operations?
ADe Morgan’s Law
BInvolution Law
CComplement Law
DIdentity Law
The set of odd integers is closed under the operation of
Aaddition
Bsubtraction
Cmultiplication
Ddivision
Which of the following law states that the factors of a product may be grouped in any manner without affecting the result?
Acommutative law
Bassociative law
Cdistributive law
Dinverse law
Which of the following terms has a degree of 4?
A\(x^{4}\)y
B\(xy^{4}\)
C4xy
Dxy³
The product of two conjugate complex numbers is
Aa real number
Ban imaginary number
Czero
Dan irrational number
The statement “The examinees are not more than 30 years old.” implies that the examinees are
Aless than 30 years old
Bat least 30 years old
C30 years old or less
D30 years old or more
The closure property of numbers is not satisfied by the set of all integers under the operation of
Aaddition
Bmultiplication
Csubtraction
Ddivision
The conditional probability of B given A is denoted symbolically by P(B/A). If P(B/A) = P(B), then the events A and B are
Adependent
Bindependent
Cmutually inclusive
Ddisjoint