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Search results for testbook-test-series
0
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1
testbook
Can you help me understand the last 2 options
Can you help me understand the last 2 options
Rohit Chakraborty
131
views
Rohit Chakraborty
asked
Jan 3
Databases
testbook-test-series
rdbms
relational-algebra
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0
votes
0
answers
2
testbook
Rohit Chakraborty
124
views
Rohit Chakraborty
asked
Dec 24, 2023
Programming in C
testbook-test-series
programming-in-c
recursion
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0
votes
1
answer
3
#TestBook #TestSeries
((f,g)|f(0)=g(0) or f(1)=g(1)) is the relation equivalent on set of function for all Z to Z . I find this to be equivalence relation ,but the solution says its not .cannot understand the solution properly . Anyone please Clear my doubt
((f,g)|f(0)=g(0) or f(1)=g(1)) is the relation equivalent on set of function for all Z to Z . I find this to be equivalence relation ,but the solution says its not .ca...
Rajib Datta Roy
212
views
Rajib Datta Roy
asked
Nov 2, 2023
Set Theory & Algebra
testbook-test-series
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0
votes
0
answers
4
Testbool test Series
Dadu
202
views
Dadu
asked
Oct 1, 2023
Operating System
operating-system
testbook-test-series
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0
votes
0
answers
5
https://testbook.com/TS-nic-scientist-b/tests/640217b028c19ad10b7fed68?attemptNo=1#/lt-solutions
In a databse system, let TS(T1) and TS(T2) be the timestamps of transactions T1 and T2 respectively. W-t(X) denotes the largest timestamp of any transaction that executed write(X) successfully and R-t(X) denotes the ... TS(T₁) < W-t(X) then T₁ is rolled back All of the above. PS: Ans given as B
In a databse system, let TS(T1) and TS(T2) be the timestamps of transactions T1 and T2 respectively. W-t(X) denotes the largest timestamp of any transaction that executed...
_Shubham_.Singh_
245
views
_Shubham_.Singh_
asked
Jul 10, 2023
Databases
transaction-and-concurrency
databases
testbook-test-series
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0
votes
1
answer
6
TestBook TestSeries Finding number of records under join of 2 tables
Assume a relation R' having 200 records. These records are stored in blocks having block factor as 20. Consider another relation S' having 120 records and all these records are stored in 30 blocks. These two tables have to be joined ... the total number of block access required to join R and S ? A. 2430 B. 6010 C. 6120 D. 1230
Assume a relation ‘R’ having 200 records. These records are stored in blocks having block factor as 20. Consider another relation ‘S’ having 120 records and all t...
Sahil_Lather
347
views
Sahil_Lather
asked
Jan 29, 2023
Databases
databases
algorithms
loop
testbook-test-series
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1
votes
2
answers
7
Testbook group theory question
Let G be a group of order 49. Then G is abelian G is cyclic G is non-abelian Centre of G has order 7
Let G be a group of order 49. ThenG is abelianG is cyclicG is non-abelianCentre of G has order 7
Sahil_Lather
521
views
Sahil_Lather
asked
Jan 27, 2023
Set Theory & Algebra
set-theory&algebra
abelian-group
testbook-test-series
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1
votes
0
answers
8
TestBook graph theory question
If G is a simple planar connected graph with 5 vertices, how many edges in maximum can be there in the given graph?
If G is a simple planar connected graph with 5 vertices, how many edges in maximum can be there in the given graph?
Sahil_Lather
362
views
Sahil_Lather
asked
Jan 27, 2023
Graph Theory
graph-theory
testbook-test-series
graph-planarity
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0
votes
0
answers
9
TestBook testSeries dynamic programming and np problem question
Consider the following statements, which of the statement(s) is/are FALSE? The running time of dynamic programming algorithm is always θ (p) where p is number of subproblems When a recurrence relation has cyclic dependency, it is ... memorization If a problem X can be reduced to a known NP hard problem, then X must be NP-hard
Consider the following statements, which of the statement(s) is/are FALSE?The running time of dynamic programming algorithm is always θ (p) where p is number of subprobl...
Sahil_Lather
376
views
Sahil_Lather
asked
Jan 28, 2023
Algorithms
algorithms
dynamic-programming
testbook-test-series
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0
votes
1
answer
10
TestBook testseries question to find max weight of MST
A complete graph G with 5 nodes has positive weight edges, each node has a distinct weight with an integer value and maximum weight is equal to number of edges in G. What can be the maximum weight of minimum spanning tree for graph G?
A complete graph G with 5 nodes has positive weight edges, each node has a distinct weight with an integer value and maximum weight is equal to number of edges in G.What ...
Sahil_Lather
420
views
Sahil_Lather
asked
Jan 28, 2023
Algorithms
algorithms
minimum-spanning-tree
testbook-test-series
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0
votes
1
answer
11
Testbook poset question
Which of the following is/are correct about the number of edges and number of vertices respectively in the Hasse diagram of POSET [P(A); ⊆] where P(A) is the power set and A = {a , b , c} ? 1 number of vertices = 12 2 number of vertices = 8 3 number of edges = 12 4 number of edges = 8
Which of the following is/are correct about the number of edges and number of vertices respectively in the Hasse diagram ofPOSET [P(A); ⊆] where P(A) is the power set a...
Sahil_Lather
503
views
Sahil_Lather
asked
Jan 27, 2023
Set Theory & Algebra
set-theory&algebra
boolean-algebra
testbook-test-series
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0
votes
0
answers
12
TestBook TestSeries question to find max child possible in B+ Tree
In a B+ Tree index having order 6, which is the maximum number of child pointers it can have. Keys are numbered from 1 to 83. What can be the maximum number of nodes which can be used to store all the keys? A. 17 B. 19 C. 59 D. 57
In a B+ Tree index having order 6, which is the maximum number of child pointers it can have. Keys are numbered from 1 to 83. What can be the maximum number of nodes whic...
Sahil_Lather
506
views
Sahil_Lather
asked
Jan 29, 2023
Databases
b-tree
testbook-test-series
databases
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0
votes
0
answers
13
TestBook TestSeries Optimal Binary Search Tree Question
Construct OBST with the identifier set (a1, a2, a3) =(end , goto, print) with p(1..3) = (0.05, 0.2, 0.1) and q(0..3) = (0.2, 0.1,0.2, 0.05) What is the cost of a OBST ? What are the nodes present in the 2nd level of OBST if the root is present in level one ? 2.55 , print , goto 2.45 , goto , end 2.15, end, print 2.7, end, goto
Construct OBST with the identifier set (a1, a2, a3) =(end , goto, print) with p(1..3) = (0.05, 0.2, 0.1) and q(0..3) = (0.2, 0.1,0.2, 0.05)What is the cost of a OBST ? ...
Sahil_Lather
450
views
Sahil_Lather
asked
Jan 28, 2023
Algorithms
algorithms
binary-search-tree
testbook-test-series
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0
votes
0
answers
14
TestBook TestSeries question to find number of paths in directed graph
Consider the following directed graph and assume the number of paths to reach to itself i.e. N(A) = 1. Number of paths from A to K are __
Consider the following directed graph and assume the number of paths to reach to itself i.e. N(A) = 1.Number of paths from A to K are __
Sahil_Lather
233
views
Sahil_Lather
asked
Jan 28, 2023
Algorithms
algorithms
directed-acyclic-graph
testbook-test-series
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0
votes
0
answers
15
TestBook graph theory questions
Let Gn be the complete bipartite graph K13, 17 then the chromatic number of G̅n is _____ (G̅n is complement of Gn and n = 30) A 13 B 17 C n(n−1)2−13×17 D n(n−1)2−2
Let Gn be the complete bipartite graph K13, 17 then the chromatic number of G̅n is _____ (G̅n is complement of Gn and n = 30)A13B17Cn(n−1)2−13×17Dn(n−1)2−2
Sahil_Lather
513
views
Sahil_Lather
asked
Jan 27, 2023
Graph Theory
graph-theory
bipartite-graph
testbook-test-series
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–
0
votes
0
answers
16
Testbook Relations in discrete maths
Which of the following statement is not true? 1 If a relation on a set A is symmetric and transitive then R is reflexive. 2 If a relation R on a set A is irreflexive and transitive then R is antisymmetric. 3 If R is antisymmetric relation then R ꓵ S ... If R and S are transitive relation on a set A then R U S need not be transitive and R ꓵ S are also transitive.
Which of the following statement is not true?1If a relation on a set A is symmetric and transitive then R is reflexive.2If a relation R on a set A is irreflexive and tran...
Sahil_Lather
447
views
Sahil_Lather
asked
Jan 27, 2023
Mathematical Logic
discrete-mathematics
relations
testbook-test-series
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1
votes
1
answer
17
#testbook
Time complexity=$\sum_{i=1}^{n}[\log (\frac{n}{i})] is$
Time complexity=$\sum_{i=1}^{n}[\log (\frac{n}{i})] is$
amit166
296
views
amit166
asked
Jan 5, 2023
Algorithms
testbook-test-series
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0
votes
0
answers
18
#testbook
amit166
243
views
amit166
asked
Jan 19, 2023
Computer Networks
testbook-test-series
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–
0
votes
1
answer
19
Testbook Test Series
rsansiya111
313
views
rsansiya111
asked
Dec 11, 2021
Linear Algebra
testbook-test-series
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–
1
votes
1
answer
20
Testbook Test Series
rsansiya111
319
views
rsansiya111
asked
Dec 16, 2021
Algorithms
testbook-test-series
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