GATE Overflow for GATE CSE - Recent questions tagged mathematics
https://gateoverflow.in/tag/mathematics
Powered by Question2AnswerPrevious Gate
https://gateoverflow.in/173423/previous-gate
The second moment of a Poisson-distributed random variable is 2. The mean of the variable is ....<br />
<br />
My question on solving we get 2 values of lamda(ie mean) .One is -2 and the other is 1 .So which one to choose?Mathematical Logichttps://gateoverflow.in/173423/previous-gateThu, 23 Nov 2017 10:59:26 +0000Combination , how to solve ?
https://gateoverflow.in/168062/combination-how-to-solve
How many ways are there to select four pieces of fruit from a bowl containing apples, oranges, and pears if the order in which the pieces are selected does not matter, only the type of fruit and not the individual piece matters, and there are at least four pieces of each type of fruit in the bowl?Graph Theoryhttps://gateoverflow.in/168062/combination-how-to-solveThu, 09 Nov 2017 09:51:30 +0000Previous year gate question
https://gateoverflow.in/164766/previous-year-gate-question
<div>
<p>For the set N of natural numbers and a binary operation f : N x N → N, an element z ∊ N is called an identity for f, if f (a, z) = a = f(z, a), for all a ∊ N. Which of the following binary operations have an identity?</p>
<ol style="list-style-type:upper-roman">
<li>f (x, y) = x + y - 3</li>
<li>f (x, y) = max(x, y)</li>
<li>f (x, y) = x<sup>y</sup></li>
</ol>
<p>I have query to option II f(2,7) here a=2 , z=7 so f(2,7)=max(2,7)=2 which is not right ......is my approach right ?</p>
</div>
Mathematical Logichttps://gateoverflow.in/164766/previous-year-gate-questionWed, 01 Nov 2017 05:43:16 +0000