1 votes
1 answer
1
Let a and b be positive integers such that a b and a^ 2 − b^ 2 is a prime number.Then a^2 − b^ 2 is equal to(A) a − b(B) a + b(C) a × b(D) none of the above
3 votes
1 answer
2
When is the following statement true? (A ∪ B) ∩ C = A ∩ C(A) If Ā ∩ B ∩ C = φ(B) If A ∩ B ∩ C = φ(C) always(D) never
2 votes
2 answers
3
T (n) = T (n/2) + 2; T (1) = 1When n is a power of 2, the correct expression for T (n) is:(A) 2(log n + 1)(B) 2 log n(C) log n + 1(D)2 log n + 1
1 votes
1 answer
4
If a fair die (with 6 faces) is cast twice, what is the probability that the twonumbers obtained differ by 2?(A) 1/12(B) 1/6(C) 2/9(D) 1/2
1 votes
1 answer
10
How many subsets of even cardinality does an n-element set have ? Justify answer.Please give a proof if possible.This is part of subjective JEST paper.
1 votes
2 answers
11
Which are the best Test-Series for gate 2020.In terms of quality of question and for practice purposes.Just solving PYQ’s is it enough?
4 votes
5 answers
12
Let us there are n nodes which are labelled.Then the number of trees possible is given by the Catalan Number i.e $\binom{2n}{n} / (n+1)$Then the binary search trees possi...
1 votes
1 answer
14
0 votes
0 answers
15
0 votes
1 answer
19
What is the reason for Belady’s Anomaly,I am aware that it is not a stack based algorithm and for a certain set of pages it shows this anomaly where the increase in pag...
0 votes
0 answers
20
https://www.youtube.com/watch?v=tyiQLindzCEThis is a great video but covers formula for cubic root what about for any given equation x^n,what would be the solution?