Consider the statement,

"Either -2 ≤ x ≤ -1 or 1 ≤ x ≤ 2"

The negation of this statement is

(A) x<-2 or 2<x or -1<x<1 (B) x<-2 or 2<x

(C) -1<x<1 (D) x ≤ -2 or 2 ≤ x or -1<x<1 

1 Answer

Answer :

(A) x<-2 or 2<x or -1<x<1 

Related questions

Description : Consider an undirected graph G where self-loops are not allowed. The vertex set of G is {(i, j) | 1 ≤ i ≤ 12, 1 ≤ j ≤ 12}. There is an edge between (a, b) and (c, d) if |a – c| ≤ 1 or |b–d| ≤ 1. The number of edges in this graph is (A) 726 (B) 796 (C) 506 (D) 616

Last Answer : (D) 616

Description : The grammar with production rules S → aSb |SS|λ generates language L given by: (A) L = {w∈{a, b}* | na(w) = nb(w) and na(v) ≥ nb(v) where v is any prefix of w} (B) L = {w∈{a, b}* | na(w) = nb(w) and na(v ... (D) L = {w∈{a, b}* | na(w) ≠ nb(w) and na(v) ≤ nb(v) where v is any prefix of w}

Last Answer : (A) L = {w∈{a, b}* | na(w) = nb(w) and na(v) ≥ nb(v) where v is any prefix of w} 

Description : A set of processors P1, P2, ......, Pk can execute in parallel if Bernstein's conditions are satisfied on a pair wise basis; that is  P1 || P2 || P3 || ..... || Pk if and only if: (A) Pi || Pj for all i ≠ j (B) Pi || Pj for all i = j+1 (C) Pi || Pj for all i ≤ j (D) Pi || Pj for all i ≥ j

Last Answer : (A) Pi || Pj for all i ≠ j Explanation: Bernstein's Condition: 1. If process Pi writes to a memory cell Mi, then no process Pj can read the cell Mi. 2. If process Pi read from a memory ... Mi. 3. If process Pi writes to a memory cell Mi, then no process Pj can write to the cell Mi.

Description : If h is chosen from a universal collection of hash functions and is used to hash n keys into a table of size m, where n ≤ m, the expected number of collisions involving a particular key K is (A) less than 1 (B) less than lg n (C) greater than 1 (D) greater than lg n

Last Answer : (A) less than 1

Description : A computer program selects an integer in the set {k : 1 ≤ k ≤ 10,00,000} at random and prints out the result. This process is repeated 1 million times. What is the probability that the value k = 1 appears in the printout atleast once ? (A) 0.5 (B) 0.704 (C) 0.632121 (D) 0.68

Last Answer : (C) 0.632121

Description : Let A and B be sets in a finite universal set U. Given the following: |A - B|, |AÅB|, |A|+|B| and |AÈB| Which of the following is in order of increasing size ? (A) |A - B| ≤ |AÅB| ≤ |A| + |B| ≤ |AÈB| (B) |AÅB| ≤ |A ... |AÅB| ≤ |A| + |B| ≤ |A - B| ≤ |AÈB| (D) |A - B| ≤ |AÅB| ≤ |AÈB| ≤ |A| + |B|

Last Answer : (D) |A – B| ≤ |AÅB| ≤ |AÈB| ≤ |A| + |B|

Description : What is the radius of the circle/ I.Ratio of its area to circumference is >7. II.Diameter of the circle is ≤ 32. If the question can be answered with the help of statement I alone, If ... the statements. If the data in either statement I or statement II alone is sufficient to answer the question.

Last Answer : Let the radius of the circle be r units From statement 1: [πr^2]/ [ 2 πr ] > 7 or r > 14 From statement II: 2r≤32 R ≤ 16 Hence, r can be 15 or 16 units Hence, Answer : d

Description : Which statement is the negation of the following statementThe class is full.?

Last Answer : The class is not full.

Description : Which statement is the negation of the following statementThe rain is pouring down.?

Last Answer : The rain is not pouring down.

Description : Is this statement true or falseThe conditional is the negation of the converse.?

Last Answer : 1

Description : is this statement true or falseThe inverse is the negation of the conditional.?

Last Answer : 1

Description : If p is a statement which of the statements is the negation of p?

Last Answer : It is ~p.

Description : Pick out the wrong statement. (A) In case of heat transfer by purely forced convection, GR /Re 2 ≤ 1 (B) The equivalent diameter of heat transfer for a duct of ... nucleate boiling depends basically on the ease with which the bubbles are formed and detached from the heating surface

Last Answer : (B) The equivalent diameter of heat transfer for a duct of square cross￾section (having each side as 'x') is equal to 4x

Description : Consider following schedules involving two transactions: S1: r1(X); r1(Y); r2(X); r2(Y); w2(Y); w1(X) S2: r1(X); r2(X); r2(Y); w2(Y); r1(Y); w1(X) Which of the following ... . (3) S1 is not conflict serializable and S2 is conflict serializable. (4) Both S1 and S2 are not conflict serializable.

Last Answer : S1 is not conflict serializable and S2 is conflict serializable.

Description : Which of the following control expressions are valid for an if statement? A) An integer expression B) A Boolean expression C) Either A or B D) Neither A nor B

Last Answer : B) A Boolean expression

Description : Which of the following control expressions are valid for an if statement? A) An integer expression B) A Boolean expression C) Either A or B D) Neither A nor B

Last Answer : B) A Boolean expression

Description : Which of the following control expressions are valid for an if statement? A) an integer expression B) a Boolean expression C) either A or B D) Neither A nor B

Last Answer : B) a Boolean expression

Description : Find the false statement: (A) The relationship construct known as the weak relationship type was defined by Dey, Storey & Barron (1999). (B) A weak relationship occurs when two ... Ternary, Quaternary and Quintary relationships are shown through a series of application scenario's and vignette's

Last Answer : (C) Conceptual model is not accurate representation of "Universe of interest".

Description : What is Negation ?

Last Answer : If it is necessary to state that something is not true, it can be done using a non-verbal word , phrase or clause . Negation is the name given to words , phrases or clauses .

Description : What is called inconsistent support? a) If two literals are not negation of other b) If two literals are negation of other c) Mutually exclusive d) None of the mentioned

Last Answer : b) If two literals are negation of other

Description : What form of negation does the prolog allows? a) Negation as failure b) Proposition c) Substitution d) Negation as success

Last Answer : a) Negation as failure

Description : Consider the following statements : (a) Boolean expressions and logic networks correspond to labelled acyclic digraphs. (b) Optimal Boolean expressions may not correspond to simplest networks. (c) Choosing essential blocks first in a Karnaugh map ... (b) only (C) (a) and (b) (D) (a), (b) and (c)

Last Answer : (D) (a), (b) and (c) 

Description : Consider a CUSTOMERS database table having a column CITY filled with all the names of Indian cities (in capital letters). The SQL statement that finds all cities that have GAR somewhere in its name, ... *from customers where city like %GAR%'; (D) Select *from customers where city as '%GAR';

Last Answer : Answer: C

Description : Consider the following two statements: (a) A publicly derived class is a subtype of its base class. (b) Inheritance provides for code reuse. Which of the following statements is correct? (A) Both the statements ( ... ) is correct and (b) is incorrect (D) Statement (a) is incorrect and (b) is correct

Last Answer : Answer: A

Description : Consider the following statements related to compiler construction: I. Lexical Analysis is specified by context-free grammars and implemented by pushdown automata. II. Syntax Analysis is specified by regular expressions and implemented by ... Only l (2) Only ll (3) Both I and II (4) Neither I nor Il

Last Answer : Answer: 4

Description : If an integer P is chosen at random in the interval 0 ≤ p ≤ 5, the probability that the roots of the equation x^2 + px -Maths 9th

Last Answer : answer:

Description : I. 63x^2 – 275x + 300 = 0 II. 18y^2 – 85y + 100 = 0 1 : if x ≥ y 2 : if x ≤ y 3 : if x > y 4 : if x < y 5 : if x = y or relationship cannot be established

Last Answer : 2 : if x ≤ y

Description : I. 20x^2 – 119x + 176 = 0 II. 18y^2 – 123y + 209 = 0 1 : if x ≥ y 2 : if x ≤ y 3 : if x > y 4 : if x < y 5 : if x = y or relationship cannot be established

Last Answer : 5 : if x = y or relationship cannot be  established

Description : I. 3x^2 – 47x + 184 = 0 II. 3y^2 – 38y + 119 = 0 1 : if x ≥ y 2 : if x ≤ y 3 : if x > y 4 : if x < y 5 : if x = y or relationship cannot be established

Last Answer : 3 : if x > y

Description : I. 56x^2 – 127x + 72 = 0 II. 6y^2 – 17y + 12 = 0 1 : if x ≥ y 2 : if x ≤ y 3 : if x > y 4 : if x < y 5 : if x = y or relationship cannot be established

Last Answer : 4 : if x < y

Description : I. 6x^2 – 71x + 195 = 0 II. 12y^2 – 97y + 195 = 0 1 : if x ≥ y 2 : if x ≤ y 3 : if x > y 4 : if x < y 5 : if x = y or relationship cannot be established

Last Answer : 1 : if x ≥ y

Description : Consider a window bounded by the lines : x = 0; y= 0; x = 5 and y = 3. The line segment joining (–1, 0) and (4, 5), if clipped against this window will connect the points (A) (0, 1) and (2, 3) (B) (0, 1) and (3, 3) (C) (0, 1) and (4, 3) (D) (0, 1) and (3, 2)

Last Answer : (A) (0, 1) and (2, 3)

Description : Consider a full-adder with the following input values: (a) x=1, y=0 and Ci(carry input) = 0 (b) x=0, y=1 and Ci = 1 Compute the values of S(sum) and C0 (carry output) for the above input values. (A) S=1 , C0= 0 and ... C0= 1 (C) S=1 , C0= 1 and S=0 , C0= 0 (D) S=0 , C0= 1 and S=1 , C0= 0

Last Answer : (A) S=1 , C0= 0 and S=0 , C0= 1

Description : Consider a discrete memoryless channel and assume that H(x) is the amount of information per symbol at the input of the channel; H(y) is the amount of information per symbol at the output of the channel; H(x|y) is the amount of uncertainty ... (H(x) - H(x|y))]  p(x) (D) max H(x|y)  p(x)

Last Answer : (D) max H(x|y)   p(x)

Description : Let us consider that the original point is (x,y) and new transformed point is (x’,y’). Further, Shx and Shy are shearing factors in x and y directions. If we perform the y-direction shear relative to x=xref then the transformed point is given by ............ 

Last Answer : (C) x’ = x y’ = Shy(x - xref) + y

Description : Consider the following JAVA program: public class First { public static int CBSE (int x) { if (x < 100) x = CBSE (x +10); return (x - 1); } public static void main (String[] args){ System.out.print(First.CBSE(60)); } } What does this program print? (1) 59 (2) 95 (3) 69 (4) 99

Last Answer : (2) 95 

Description : Using which keyword we can access value of the instance variables and class variables of that class inside the method of that class itself. A) super B) final C) this D) either super or this

Last Answer : C) this

Description : ……………. Can be defined as the permanent blocking of a set of processed that either complete for system resources or communicate with each other. A) Deadlock B) Permanent lock C) Starvation D) Mutual exclusion

Last Answer : A) Deadlock

Description : A data flow can A) Only a data store B) Only leave a data store C) Enter or leave a data Store D) Either enter or leave a data store but not both

Last Answer : C) Enter or leave a data Store

Description : A data flow can A) Only emanate from an external entity B) Only terminate in an external entity C) May emanate and terminate in an external entity D) May either emanate or terminate in an external entity but not both

Last Answer : C) May emanate and terminate in an external entity

Description : State true or false. i) An empty tree is also a binary tree. ii) In strictly binary tree, the outdegree of every node is either o or 2. A) True, False B) False, True C) True, True D) False, False

Last Answer : C) True, True

Description : …………….. mode is used whenever either end of a security association is gateway. A) Tunnel B) Encapsulating C) Transport D) Gateway

Last Answer : A) Tunnel

Description : Based on the cardinality ratio and participation ............... associated with a relationship type, choose either the Foreign Key Design, the Cross Referencing Design or Mutual Referencing Design. (A) Entity (B) Constraints (C) Rules (D) Keys

Last Answer : (B) Constraints

Description : The average case occurs in the Linear Search Algorithm when: (A) The item to be searched is in some where middle of the Array (B) The item to be searched is not in the array (C) The item to be searched is in the last of the array (D) The item to be searched is either in the last or not in the array

Last Answer : (A) The item to be searched is in some where middle of the Array

Description : Which of the following arguments are not valid? (a) If Gora gets the job and works hard, then he will be promoted. If Gora gets promotion, then he will be happy. He will not be happy, therefore, either he will not get the job or he ... and (c) (B) (b) and (c) (C) (a), (b) and (c) (D) (a) and (b)

Last Answer : Answer: B Explanation: (a) P: Gora gets the job  Q: Gora works hard  R: Gora gets promotion  S: Gora will be happy The argument can bet written as  (P˄Q)→R  R→S  ¬S ... also be written as: ((P˅Q)˄¬P)→Q where P, and Q are propositions expressed in some formal system.

Description : Suppose you are given a binary tree with n nodes, such that each node has exactly either zero or two children. The maximum height of the tree will be (A) n/2 - 1 (B) n/2 + 1 (C) (n-1)/2 (D) (n+1)/2

Last Answer : (C) (n-1)/2

Description : Naphthenic acid is represented by (A) CnH2n+2O2 (B) CnH2n-2O2 (C) CnH2n+2O2 (n ≥ 6) (D) CnH2n+6O2 (n ≤ 6)

Last Answer : (B) CnH2n-2O2

Description : . Which of the following relationships between co-efficient of friction (μ) between rock & roll and a (half of the angle of nip) of the particle to be crushed is correct? (A) μ > tan α (B) μ ≥ tan α (C) μ > tan 2α (D) μ ≤ tan α

Last Answer : (B) μ ≥ tan α

Description : Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be (A) 1 (B) > 1 (C) < 1 (D) ≤ 1

Last Answer : (B) > 1