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Recent activity by Chaitrasj
4
answers
1
GATE CSE 1993 | Question: 17
Out of a group of $21$ persons, $9$ eat vegetables, $10$ eat fish and $7$ eat eggs. $5$ persons eat all three. How many persons eat at least two out of the three dishes?
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Set Theory & Algebra
May 5, 2019
5.3k
views
gate1993
set-theory&algebra
easy
set-theory
descriptive
1
answer
2
IIT Kanpur Test Sample Paper
(Batman and Robin) The city of Gotham keeps propping up newer challenges for our dynamic duo. The criminals in the city are so organized that they have come up with a schedule to commit the crimes. a. The Mad Hatter commits maddeningly despicable ... . What is the probability of that? 4) In the above scenario, what is the probability that two criminals get defeated?
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Probability
Apr 15, 2019
346
views
iit-kanpur
written-test
mtech
2
answers
3
IIT Kanpur
Two sets of numbers are given as sorted arrays in increasing order, A and B, with n and m numbers respectively. What is the best estimate for the complexity of computing the set A \ B? $O(n.m)$ $O(n^2 .m)$ $O(n + m)$ $(n log n + m log m)$
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Written Exam
Apr 14, 2019
374
views
0
answers
4
IIT Kanpur
10. In the process of designing an $n$ storey building, an architect designed $k$ types of floor modules. Even though the ground floor can use any of the $k$ modules, subsequent floors need to satisfy compatibility constraints. For each module $M_{i}$, there is some subset $B_{i}$ of modules on top of which $M_{i}$ ... A. $O(k^{n})$ B. $O(n^{k})$ C. $O(nk)$ D. $O(nk^{2})$ E $O(n^{2}k)$
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Written Exam
Apr 14, 2019
261
views
iit-kanpur
3
answers
5
Model Question IISc CDS CS Written Test Sample question
Anand is preparing a pizza with 8 slices, and he has 10 toppings to put on the pizza. He can put only one topping on each slice but can use the same topping on zero or more slices. In how many unique ways can he prepare the slices so that the same topping is not used in adjacent slices?
asked
in
Combinatory
Mar 11, 2019
1.1k
views
iisc
cds
0
answers
6
ACE Test Series: Programming in C
What will be output of the program? int d=0; int f(int a,int b){ int c; d++; if(b==3) return a*a*a; else{ c=f(a,b/3); return(c*c*c); } } int main(){ printf("%d",f(4,81)); return 0; }
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Programming
Mar 5, 2019
637
views
programming-in-c
1
answer
7
Self doubt- Min no of NOR gates
What is the minimum number of 2 input NOR gates required to realise: F(A,B,C) = (A'+B')(B'+C')(C'+A') Case 1- Compliments of A,B,C are not available Case 2- Compliments of A,B,C are available
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Digital Logic
Feb 1, 2019
435
views
3
answers
8
MadeEasy Test Series 2019: Databases - Transaction And Concurrency
Consider the following schedule $\text{S : r2(A), w1(B), w1(C), R3(B), r2(B), r1(A), commit_1, r2(C), commit_2, w3(A), commit_3 }$ Consider the following statements : S1 : Schedule(S) is conflict ... ) is strict recoverable schedule. S4 : Schedule(S) is allowed by strict 2PL. How many above statements true about schedule(S) ?
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Databases
Jan 28, 2019
2.3k
views
transaction-and-concurrency
made-easy-test-series
0
answers
9
Made easy CBT2
$R_2(A)$W_1(B)$W_1(C)$R_3(B)$R_2(B)$R_1(A)$C_1$R_2(C)$C_2$W_3(A)$C_3$ Is this schedule allowed under 2PL?
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Databases
Jan 26, 2019
141
views
6
answers
10
GATE IT 2007 | Question: 81
Let $P_1, P_2,\dots , P_n $be $n$ points in the $xy$-plane such that no three of them are collinear. For every pair of points $P_i$ and $P_j$, let $L_{ij}$ be the line passing through them. Let $L_{ab}$ ... $\Theta\left(n\right)$ $\Theta\left(n\log n\right)$ $\Theta\left(n\log^2 n\right)$ $\Theta\left(n^2\right)$
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Algorithms
Jan 24, 2019
4.2k
views
gateit-2007
algorithms
time-complexity
normal
3
answers
11
GATE CSE 2015 Set 2 | Question: GA-8
In a triangle $PQR, PS$ is the angle bisector of $\angle QPR \text{ and } \angle QPS =60^\circ$. What is the length of $PS$ ? $\left(\dfrac{(q+r)} {qr}\right)$ $\left(\dfrac {qr} {q+r}\right)$ $\large \sqrt {(q^2 + r^2)}$ $\left(\dfrac{(q+r)^2} {qr}\right)$
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Quantitative Aptitude
Jan 21, 2019
8.0k
views
gatecse-2015-set2
quantitative-aptitude
geometry
difficult
triangle
0
answers
12
ACE Test Series
commented
in
Mathematical Logic
Jan 19, 2019
132
views
0
answers
13
Ace test series
commented
in
Mathematical Logic
Jan 19, 2019
184
views
1
answer
14
CO Cache Memory Access
In a certain system the main memory access time is 100 ns. The cache is 10 time faster than the main memory and uses the write though protocol. If the hit ratio for read request is 0.92 and 85% of the memory requests generated by the CPU are for read, ... write; then the average time consideration both read and write requests is a) 28.95ns b) 348.47ns c) 29.62ns d) 296.2ns
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CO and Architecture
Jan 19, 2019
2.3k
views
cache-memory
co-and-architecture
0
answers
15
Ace Test Series: Operating System - Virtual Memory
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in
Operating System
Jan 18, 2019
538
views
operating-system
virtual-memory
paging
memory-management
ace-test-series
0
answers
16
MadeEasy Full Length Test 2018: Graph Theory - Counting
The Number of Labelled possible graph given below ? what I did was → we doesn't remove any of the edge out of 4 = $\binom{4}{0}$ [Because a Graph is sub-graph of itself] we can remove any of one edge out of 4 = $\binom{4}{1}$ we can remove any ... out of 4 = $\binom{4}{2}$ similarly , $\binom{4}{3}$ , $\binom{4}{4 }$ then , add of the them
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Graph Theory
Jan 18, 2019
557
views
graph-theory
discrete-mathematics
counting
made-easy-test-series
2
answers
17
ME- CBT1
Can anyone explain how this is to be solved?
answer selected
in
Graph Theory
Jan 18, 2019
305
views
0
answers
18
Ace Academy Test series
If a 2 regular graph G has a perfect matching, then which of the following is NOT true? 1. G is a cycle graph 2. Chromatic number of G is 2 3. Every component of G is even cycle 4. G is a bipartite graph
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Graph Theory
Jan 16, 2019
203
views
0
answers
19
ME- CBT1
commented
in
CO and Architecture
Jan 15, 2019
313
views
co-and-architecture
addressing-modes
0
answers
20
Asynchronous counter (Applied course mock 3)
MOD-8 synchronous down counter MOD-8 asynchronous up counter MOD-10 asynchronous up counter MOD-8 asynchronous down counter Please explain why it is down counter?
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Digital Logic
Jan 15, 2019
769
views
digital-counter
0
answers
21
Ace Academy Test series
Consider the multi selection problem: Given a set 'S' of n elements and set 'K' of 'r' ranks $K_{1}$, $K_{2}$, ....$K_{r}$. Find the $K_1^{th}$, $K_2^{th}$, ....$K_r^{th}$ ... The time complexity of the most efficient algorithm to solve this problem is A. O(n.r) B. O($n^2$.log r) C. O(n) D. O(n.log r)
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Algorithms
Jan 12, 2019
239
views
2
answers
22
Testbook Test Series: Digital Logic - Xor
Q,R,S are true for sure but how p is true ???
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in
Digital Logic
Jan 3, 2019
1.0k
views
testbook-test-series
test-series
digital-logic
digital-circuits
1
answer
23
Digital Logical(Xor and Xnor Gates)
1. Xor and xnor are same in case number of inputs of odd? 2.If above is yes,then why do we say these ae complement? 3.Are these associative and commutative for more than 2 i/p? 4.How do we correctly define them for more than 2 i/p?Is it just that exor checks odd no. of 1's and xnor checks even number of 1'a? 5.Why exnor is called as even function?
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Digital Logic
Jan 2, 2019
1.1k
views
digital-logic
digital-circuits
3
answers
24
TIFR CSE 2013 | Part B | Question: 3
How many $4 \times 4$ matrices with entries from ${0, 1}$ have odd determinant? Hint: Use modulo $2$ arithmetic. $20160$ $32767$ $49152$ $57343$ $65520$
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Linear Algebra
Dec 29, 2018
3.1k
views
tifr2013
linear-algebra
matrix
0
answers
25
made easy dbms tt1
Which of the following query transformations (i.e., replacing the l.h.s. expression by the r.h.s expression) is correct? R1, R2 and R3 are relations, C1 and C2 are selection conditions and A1 ,A2 and A3 are attributes of Relations SHOULDN'T THE ANSWER BE (B)??? ... I USE condition A1 as A1<3 and condition A2 as A2<8 whereas RHS gives me A1 1 1 2 2 hence option D is wrong?
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Databases
Dec 22, 2018
215
views
0
answers
26
MadeEasy Test Series 2018: Theory of Computation - Turing Machine
Consider the following language over Σ = {0, 1}:L = {<M>|M is TM that accept all strings of length at most 5} Which of the following is true? (A) Decidable and REC (B) Undecidable and RE (C) Undecidable and non RE (D) Decidable but RE
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in
Theory of Computation
Dec 20, 2018
1.9k
views
theory-of-computation
turing-machines
decidability
madeeasy-testseries-2018
5
answers
27
TIFR CSE 2019 | Part B | Question: 2
How many distinct minimum weight spanning trees does the following undirected, weighted graph have ? $8$ $16$ $32$ $64$ None of the above
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Algorithms
Dec 13, 2018
2.8k
views
tifr2019
algorithms
minimum-spanning-tree
1
answer
28
Ace Test Series
Can any one explain I am not able to understand.
answered
in
Theory of Computation
Dec 11, 2018
718
views
1
answer
29
Ace Test Series
I think the answer is b) and in their solution also they are saying it b) but in option c) is correct. Can anyone confirm?
answered
in
Theory of Computation
Dec 11, 2018
143
views
7
answers
30
TIFR CSE 2019 | Part B | Question: 13
A row of $10$ houses has to be painted using the colours red, blue, and green so that each house is a single colour, and any house that is immediately to the right of a red or a blue house must be green. How many ways are there to paint the houses? $199$ $683$ $1365$ $3^{10}-2^{10}$ $3^{10}$
commented
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Combinatory
Dec 9, 2018
3.0k
views
tifr2019
engineering-mathematics
discrete-mathematics
combinatory
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