2022-12-01 | If \( A=\{\phi,\{\phi\}\} \), then the power set of \( A \) is
(A) \( \mathrm{A} \)
(B) \( \{\ph... |
2022-12-01 | Let \( R \) be a relation in \( N \) defined by \( R=\left\{\left(1+x, 1+x^{2}\right): x \leq 5,... |
2022-12-01 | If \( X=\left\{8^{n}-7 n-1 / n \in N\right\} \) and \( Y=\{49(n-1) / n \in N\} \), then
(A) \( x... |
2022-12-01 | The relation \( R \) defined on the set \( A=\{1,2,3,4,5\} \) by \( R=\{(x, y) \) : \( \left|\ma... |
2022-12-01 | If \( A=\left\{x: \cos x-\frac{1}{2}\right. \) and \( \left.O \leq x \leq \pi\right\}, B=\left\{... |
2022-12-01 | Compounds having same molecular formula but different connectivity of atoms or groups are called... |
2022-12-01 | If \( A=\{a, b, d, e, l\}, B=\{c, d, f, m\} \quad \) and \( C=\{a, I, m, o) \), then \( C \cap(A... |
2022-12-01 | Let \( \rho \) be the relation on the set \( R \) of all real numbers defined by setting a \( \r... |
2022-12-01 | The relation \( R \) defined in \( A=\{1,2,3\} \) by \( a R b \) if \( \left|a^{2}-b^{2}\right| ... |
2022-12-01 | India today conducted a survey if people taking tea/ coffee. Out of 9000 people, 5550 people tak... |
2022-12-01 | If \( R \) and \( R^{\prime} \) are symmetric relations (not disjoint) on a set \( A \), then th... |
2022-12-01 | Assume \( R \) and \( S \) are (non empty) relations in a set \( A \). which of the relations gi... |
2022-12-01 | The Sols of \( 8 x=6(\bmod 14) \) are
(A) [8], [6]
(B) [8], [4]
(C) [6], [13]
(D) [8], [4], [16]... |
2022-12-01 | Let \( f(x)=\cos x+\sin x-1 \) and \( g(x)=\sin 2 x-2 \).
If the equation \( \mathrm{f}(\mathrm{... |
2022-12-01 | If \( R \) be a relation \( \) from \( A=\{1,2,3,4\} \) to \( B=\{1,3,5\} \) i.e. (a, b) \( \in... |
2022-12-01 | If \( X=\left\{8^{n}-7 n-1 / n \in N\right\} \) and \( Y=\{49(n-1) / n \in N\} \), then
(A) \( x... |
2022-12-01 | If \( \mathrm{m}0, \mathrm{n}5,0\mathrm{m}+\mathrm{n}10 \) and \( \frac{\mathrm{x}^{2}+5}{2}=\ma... |
2022-12-01 | Two finite sets have \( m \) and \( n \) elements. The total number of subsets of the first set ... |
2022-12-01 | are a special group of proteins found in the nuclei of cells responsible for DNA packaging leadi... |
2022-12-01 | If \( A=\{1,3,5,7,9,11,13,15,17\}, B=\{2,4, \ldots, 18\} \) and \( N \) is the universal set, th... |
2022-12-01 | Which of the following is the empty set?
(A) \( \left\{x / x\right. \) is a real number and \( \... |