1
GATE CSE 2021 Set 2
MCQ (More than One Correct Answer)
+1
-0
Choose the correct choice(s) regarding the following propositional logic assertion S:
S : ((P ∧ Q)→ R)→ ((P ∧ Q)→ (Q → R))
2
GATE CSE 2021 Set 2
Numerical
+1
-0
Suppose that f : R → R is a continuous function on the interval [-3, 3] and a differentiable function in the interval (-3, 3) such that for every x in the interval, f'(x) ≤ 2. If f(-3) = 7, then f(3) is at most _______.
Your input ____
3
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+2
-0.66
In an examination, a student can choose the order in which two questions (QuesA and QuesB) must be attempted.
- If the first question is answered wrong, the student gets zero marks.
- If the first question is answered correctly and the second question is not answered correctly, the student gets the marks only for the first question.
- If both the questions are answered correctly, the student gets the sum of the marks of the two questions.
The following table shows the probability of correctly answering a question and the marks of the question respectively.
question | Probability of answering correctly | marks |
QuesA | 0.8 | 10 |
QuesB | 0.5 | 20 |
Assuming that the student always wants to maximize her expected marks in the examination, in which order should she attempt the questions and what is the expected marks for that order (assume that the questions are independent)?
4
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+2
-0.66
A bag has r red balls and b black balls. All balls are identical except for their colours. In a trial, a ball is randomly drawn from the bag, its colour is noted and the ball is placed back into the bag along with another ball of the same colour. Note that the number of balls in the bag will increase by one, after the trial. A sequence of four such trials is conducted. Which one of the following choices gives the probability of drawing a red ball in the fourth trial ?
Paper analysis
Total Questions
Algorithms
6
Compiler Design
5
Computer Networks
3
Computer Organization
5
Data Structures
1
Database Management System
5
Digital Logic
5
Discrete Mathematics
10
Operating Systems
4
Programming Languages
4
Theory of Computation
7
General Aptitude
10
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