5 answers
4
Assuming all numbers are in $2’s$ complement representation, which of the following numbers is divisible by $11111011$?$11100111$$11100100$$11010111$$11011011$
6 answers
5
The $2's$ complement representation of the decimal value $-15$ is$1111$$11111$$111111$$10001$
2 answers
6
The number of ways in which $5\; A's, 5\; B's$ and $5\; C's$ can be arranged in a row is:$15!/(5!)^{3}$$15!$$\left(\frac{15}{5}\right)$$15!(5!3!)$.
5 answers
11
4 answers
13
a + b->c means(a + b)- c or a + (b->c)?
3 answers
14
Amongst the properties $\left\{\text{reflexivity, symmetry, anti-symmetry, transitivity}\right\}$ the relation $R=\{(x, y) \in N^2|x \neq y\}$ satisfies _________
4 answers
16
Find the number of single valued functions from set $A$ to another set $B,$ given that the cardinalities of the sets $A$ and $B$ are $m$ and $n$ respectively.
7 answers
17
2 answers
18
The difference between the sum of the first $2n$ natural numbers and the sum of the first $n$ odd natural numbers is ______$n^2-n$$n^2+n$$2n^2-n$$2n^2+n$
7 answers
19
If $\dfrac{(2y+1)}{(y+2)} < 1,$ then which of the following alternatives gives the CORRECT range of $y$ ?$- 2 < y < 2$$- 2 < y < 1$$- 3 < y < 1$$- 4 < y < 1$
8 answers
21
Let $E, F$ and $G$ be finite sets. Let$X = (E ∩ F) - (F ∩ G)$ and$Y = (E - (E ∩ G)) - (E - F)$.Which one of the following is true?$X ⊂ Y$$X ⊃ Y$$X = Y$$X - Y �...
2 answers
23
8 answers
24
Let $P =\sum \limits_ {i\;\text{odd}}^{1\le i \le 2k} i$ and $Q = \sum\limits_{i\;\text{even}}^{1 \le i \le 2k} i$, where $k$ is a positive integer. Then$P = Q - k$$P = Q...
11 answers
29