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Questions by Vijay Thakur
User Vijay Thakur
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User Vijay Thakur
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+2
votes
0
answers
1
GATE 2017: Maths: LA
Is manual calculation required to solve this question, or there is some properties can be applied here, btw please solve it.
asked
Feb 6
in
Linear Algebra

152
views
gate_2017
linearalgebra
engineeringmathematics
0
votes
1
answer
2
Maths: Propositional Logic
Option B says, there is some y for every x such that x > y. Hence it should be false because there is no such y.
asked
Feb 3
in
Mathematical Logic

77
views
mathematicallogic
discretemathematics
propositionallogic
firstorderlogic
0
votes
0
answers
3
Maths: Relations Que01
Empty set ∅ is equivalence relation? True/False
asked
Jan 28
in
Set Theory & Algebra

58
views
discretemathematics
settheory&algebra
+1
vote
1
answer
4
Maths: Limits Que03
given answer is (B) why continuous and differential on 0 ONLY?
asked
Jan 28
in
Calculus

131
views
engineeringmathematics
calculus
differentiability
continuity
0
votes
1
answer
5
Maths: Linear Algebra Que01
Consider the system of linear equations w+3x+2y+2z = 0 w+4x+y = 0 3w+5x+10y+14z = 0 2w+5x+5y+6z = 0 with solutions of the form (w, x, y, z ) , where w, x, y, and z are real. Which of the following statements is FALSE? (A) The system ... solution. (C) ( 5, 1, 1, 0 ) is a solution. (D) Every solution is a scalar multiple of ( 5, 1, 1, 0 )
asked
Jan 28
in
Linear Algebra

138
views
engineeringmathematics
linearalgebra
0
votes
2
answers
6
Maths: Limit Que02
lim x>0 xx y = xx logy = xlogx = $\frac{logx}{\frac{1}{x}}$ my question is when this equation not in the form of 0/0 or inf/inf then how can I apply L'Hospital's Rule??
asked
Jan 28
in
Calculus

106
views
limits
engineeringmathematics
calculus
+3
votes
3
answers
7
Maths: Probability Que011
(i) Three identical dice are rolled. the probability that the same number will appear on each of them is___ A. 1/6 B.1/36 C.1/18 D.3/28 (iI) Three Distinct dice are rolled. the probability that the same number will appear on each of them is___
asked
Jan 17
in
Probability

427
views
engineeringmathematics
probability
0
votes
2
answers
8
Aptitude: Train Speed
Two trains Train1 and Train2 from Howrah to Patna, and Patna to Howrah leave at the same time from their respective station. They meet somewhere on the way. After their meeting point, Train1 takes 9 hours to reach Patna and Train2 takes 12hours to reach Howrah. Find the speed ratio of Train1 and Train2?
asked
Jan 15
in
Verbal Ability

113
views
speedtimedistance
+1
vote
2
answers
9
Apti: Mixture Que01
In a mixture, Initially the ratio of milk and water is 7:5. Now 9 litre is removed from the mixture. how many litre of water we should add into the mixture so that ratio of milk and water becomes 7:9??
asked
Jan 15
in
Verbal Ability

85
views
mixture
0
votes
0
answers
10
Compiler: DAG
As given below, Why is option (i) wrong but (ii) is correct? i. c=a+b; d=bc; a=d; b=c*d ii. d=bc; c=a+b; a=d; b=c*d;
asked
Jan 13
in
Compiler Design

118
views
compilerdesign
dag
+3
votes
2
answers
11
Compiler: Viable Prefixes
Consider the following grammaer: S>0S1  01 How many of the following are the viable prefixes of the grammar? i. 01 ii. 001 iii. 00011 iv. 00S1 PS: given answer i, ii and iv , please explain!
asked
Jan 13
in
Compiler Design

258
views
compilerdesign
parsing
viableprefix
+5
votes
1
answer
12
Maths: Probability Distribution Que01
asked
Jan 12
in
Probability

152
views
probability
randomvariable
engineeringmathematics
discretemathematics
+2
votes
1
answer
13
GeeksForGeeks Test 2017
I belived, 2nd option is correct but GeeksforGeeks anwered it as (iv), how?
asked
Jan 12
in
Theory of Computation

135
views
theoryofcomputation
contextsensitive
+2
votes
2
answers
14
Maths: Group Theorey
A group G in which (ab)2 = a2b2 for all a,b in G is neccessarily A. finite B. cyclic C. of order two D. Abelian please prove it ands: D
asked
Jan 12
in
Set Theory & Algebra

120
views
settheory&algebra
discretemathematics
+3
votes
1
answer
15
Maths: Group Theorey
Let * be the binary operation on the rational number given by a*b=a+b+2ab. which of the following are true? i. * is commutative ii. there is a rational number that is an identity with * operation iii. every rational numebr has an inverse with * operation I know that i is true and iii is false but why is ii false? Ans: (i) is only true
asked
Jan 12
in
Set Theory & Algebra

98
views
settheory&algebra
groups
discretemathematics
–1
vote
0
answers
16
Maths:
asked
Jan 12
in
Combinatory

25
views
0
votes
1
answer
17
DAA: Time Complexity: Master Theorem
asked
Jan 8
in
Algorithms

124
views
timecomplexity
algorithms
0
votes
1
answer
18
COA: Addressing Modes
When we use auto increment or auto decrement addressing modes then which of the following is/are true? (i) In auto increment the operand is retrieved first and then the address altered. (ii) In auto decrement the address altered ... retrieve the operand. PS: given answer i and ii are correct. shouldn't it be mentioned pre/post increment/decrement
asked
Jan 8
in
CO & Architecture

127
views
co&architecture
addressingmodes
+2
votes
1
answer
19
Maths: Limit
asked
Jan 8
in
Calculus

147
views
limits
engineeringmathematics
calculus
+1
vote
1
answer
20
DBMS: Number of Super Keys
30 is given answer, please provide detialed explanation.
asked
Jan 8
in
Databases

120
views
databases
functionaldependencies
0
votes
1
answer
21
Apti: Tank Question
Ratio of daimeters of 3 taps are 1:2:3 given, if tap with max diameter fills the tank in 10 hrs, then What is the time taken to to fill the tankm if all three taps are opened together?
asked
Jan 8
in
Verbal Ability

83
views
+1
vote
0
answers
22
Apti Question
why is not optio A also correct? $\sqrt{9} = \sqrt{\frac{25}{100}} \Rightarrow 3= \frac{5}{10}\Rightarrow 3= 0.5$
asked
Jan 8
in
Verbal Ability

92
views
+1
vote
1
answer
23
COA: DMA: Cycle Stealing
my answer is not matching with given one.
asked
Jan 6
in
CO & Architecture

259
views
dma
co&architecture
madeeasytestseries
+2
votes
1
answer
24
Digital: True/False
Which of the following is true: a. The minimized in SOP always has the same number of literals as the minimum in POS b. The minimized in SOP always has the same size as the canonical form of the circuit c. the minimized form in ... '1' minterms in the canonical form are converted to don't cares and the rest are retained as in the original function
asked
Jan 5
in
Digital Logic

222
views
digitallogic
booleanexpressions
+1
vote
1
answer
25
Digital: Circuit
Any easy way to solve this question, when i am expending it, it keeps on increasing.. 1. A+B+C 2. A(B+C) 3. B(C+A) 4. C(A+B)
asked
Jan 5
in
Digital Logic

98
views
digitallogic
kmap
combinational
0
votes
1
answer
26
Digital: KMAP
Given a KMAP of a 10variable Boolean Function and a particular prime implicant on the KMap contains 64 minterms. How many literals are there in the product term corresponding to that prime implicant??
asked
Jan 5
in
Digital Logic

140
views
digitallogic
kmap
+1
vote
3
answers
27
Digital: Boolean Expression
A. XY + YZ' B. XY + Y'Z C. X'Z' + YZ' D. XZ + Y'
asked
Jan 5
in
Digital Logic

212
views
digitallogic
booleanexpressions
digital
+4
votes
3
answers
28
Operating System: Cache
A processor uses 2 level paging for virtual address to physical address translation. page tables for both levels are stored in physical memory. there is physically addressed cache. TLB hit ratio = 96% TLB Access Time=1ns Cache hit ratio=90% Cache Access Time= 1ns Physical M/M Access Time: 10 ns What is effective memory access time?
asked
Jan 5
in
Operating System

389
views
operatingsystem
paging
cachememory
tlb
+1
vote
1
answer
29
Algorithms: MST
asked
Jan 3
in
Algorithms

50
views
algorithms
mst
0
votes
0
answers
30
Algorithms: Hashing
Consider a hash table using uniform hashing with number of slots as m=6 and number of keys, k=8. collissions resolved by chaining. Assuming direct hashing is used. the expected number of slots that ends not being empty is __________ Ans: 4.604
asked
Jan 3
in
Algorithms

92
views
algorithms
hashing
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