CBSE Class 11 Logarithms — practice questions
10 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 Logarithms in the app →If a set $A$ has $4$ elements, the number of subsets of $A$ is:For sets $A = \{1, 2, 3, 4\}$ and $B = \{3, 4, 5, 6\}$, $A \cup B$ is:De Morgan's law gives $(A \cap B)'$ as:In a class of $30$, $18$ play cricket, $15$ play football, $8$ play both. The number who play at least one spoIf $|A| = 3$ and $|B| = 4$, the number of elements in $A \times B$ is:A relation $R$ from $A$ to $B$ qualifies as a function when:The function $f: \mathbb{R} \to \mathbb{R}, f(x) = x^2$ is:The graph of $f(x) = 1/x$ in $\mathbb{R} - \{0\}$ is:The general solution of $\cos x = 1/2$ is:The double angle formula sin 2A equals: