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7543
Calculating average mean
The aggregate monthly expenditure of a family was $ 6240 during first 3 months, $ 6780 during next 4 months, and $7236 during last 5 months of a year. If total saving during the year is $ 7080. Find average monthly income of family?
The aggregate monthly expenditure of a family was $ 6240 during first 3 months, $ 6780 during next 4 months, and $7236 during last 5 months of a year. If total saving dur...
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7544
Self Doubt
Is this TRUE? (∃!x)(∃!y)J(x,y)≡(∃!y)(∃!x)J(x,y)
Is this TRUE?(∃!x)(∃!y)J(x,y)≡(∃!y)(∃!x)J(x,y)
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7547
Virtual gate
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1 votes
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7548
GATE Overflow | Mathematics | Test 1 | Question: 18
Let $A$ be a finite set of size $n$, the number of elements in the power set of $A \times A$ is $2^{2^n}$ $2^{n^2}$ ${(2^n)}^2$ ${(2^2)}^n$
Let $A$ be a finite set of size $n$, the number of elements in the power set of $A \times A$ is$2^{2^n}$ $2^{n^2}$ ${(2^n)}^2$ ${(2^2)}^n$
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7551
Conditional Probability
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7552
draw conclusion (logic)
What is the correct approach for drawing a conclusion from P1:- If it rains ,the match will not be played . P2:- The match was played A) it rains B) it did not rain C) it either rain or did not rain D) None
What is the correct approach for drawing a conclusion fromP1:- If it rains ,the match will not be played .P2:- The match was played A) it rains B) it did not rainC) it ei...
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7553
Linear algebra
A2 − A = 0, where A is a 9×9 matrix. Then (a) A must be a zero matrix (b) A is an identity matrix (c) rank of A is 1 or 0 (d) A is diagonalizable
A2 − A = 0, where A is a 9×9 matrix. Then(a) A must be a zero matrix(b) A is an identity matrix(c) rank of A is 1 or 0(d) A is diagonalizable
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7554
vectors x1= 5i-2j+k and x2=4i-j+2k are transformed into y1=ax1 and y2=ax2.
vectors x1= 5i-2j+k and x2=4i-j+2k are transformed into y1=ax1 and y2=ax2.
vectors x1= 5i-2j+k and x2=4i-j+2k are transformed into y1=ax1 and y2=ax2.
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7555
Probability
If A and B are independent, then A and Bc are also independent Is it true or false?
If A and B are independent, then A and Bc are also independentIs it true or false?
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7556
sum of n terms
find sum of n terms 1^2 - 2^2 + 3^2 - 4^2 + 5^2 - 6^2 + ................... can anyone explain me this how to solve this
find sum of n terms 1^2 - 2^2 + 3^2 - 4^2 + 5^2 - 6^2 + ................... can anyone explain me this how to solve this
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7557
GATE Overflow | Mathematics | Test 1 | Question: 26
Which of the following propositions is a tautology ? $(p \vee q) \to p$ $p \vee (q \to p )$ $p \vee ( p \to q )$ $p \to (p \to q )$
Which of the following propositions is a tautology ?$(p \vee q) \to p$ $p \vee (q \to p )$$p \vee ( p \to q )$ $p \to (p \to q )$
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7558
GATE Overflow | Mathematics | Test 1 | Question: 5
Let $X = \{2,3,6,12,24\}$ and $£$ be the partial order defined by $X £ Y$ if $x$ divides $y$. Number of edges in the Hasse diagram of $(X,£)$ is? 3 4 9 None of the above
Let $X = \{2,3,6,12,24\}$ and $£$ be the partial order defined by $X £ Y$ if $x$ divides $y$. Number of edges in the Hasse diagram of $(X,&po...
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7559
Probability
Three people X,Y, and Z are contesting in an election and we assume that exactly one of them wins it. Suppose that X and Z have the same chances of winning and Y has only half the chance of X or Z. The probability that either X or Y wins the election is _____
Three people X,Y, and Z are contesting in an election and we assume that exactly one of them wins it. Suppose that X and Z have the same chances of winning and Y has only...
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