Discrete MathematicsNumber System (NTANET (Based on NTAUGC) Computer Science (PaperII)): Questions 1  6 of 18
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Question number: 1
» Discrete Mathematics » Number System
Appeared in Year: 2015
Question
Which of the following is/are not true?
(1) The set of negative integers is countable.
(2) The set of integers that are multiples of 7 is countable.
(3) The set of even integers is countable.
(4) The set of real numbers between 0 and ^{1}/_{2} is countable. (December)
Choices
Choice (4)  Response  

a.  (1) and (3) 

b.  (2) and (4) 

c.  (4) only 

d.  (2) only 

Question number: 2
» Discrete Mathematics » Number System
Appeared in Year: 2016
Question
The IEEE754 doubleprecision format to represent floating point numbers, has a length of ………. bits.
Choices
Choice (4)  Response  

a.  16 

b.  64 

c.  48 

d.  32 

Question number: 3
» Discrete Mathematics » Number System
Appeared in Year: 2010
Question
The number of integers between 1 and 250 that are divisible by 2,5 and 7 is (Paper II)
Choices
Choice (4)  Response  

a.  2 

b.  5 

c.  8 

d.  3 

Question number: 4
» Discrete Mathematics » Number System
Appeared in Year: 2010
Question
Consider the following left associative operators in decreasing order of precedence:
– subtraction (highest precedence)
* multiplication
$ exponentiation (lowest precedence)
What is the result of the following expression?
(June Paper II)
Choices
Choice (4)  Response  

a.  – 61 

b.  64 

c.  512 

d.  4096 

Question number: 5
» Discrete Mathematics » Number System
Appeared in Year: 2011
Question
Any integer composed of 3n identical digits divisible by (June Paper 2)
Choices
Choice (4)  Response  

a.  2n 

b.  3n 

c.  5n 

d.  7n 

Question number: 6
» Discrete Mathematics » Number System
Appeared in Year: 2013
Question
The relation “divides” on a set of positive integers is ________. (June Paper II)
Choices
Choice (4)  Response  

a.  Symmetric and transitive 

b.  Anti symmetric and transitive 

c.  Symmetric only 

d.  Transitive only 
