Complete NCERT-aligned chapter list for Grade 11. Every chapter has sample questions to preview. All questions are aligned with CBSE, ICSE, IB and State Board curricula. Sign up free to practise the full bank.
141 practice questions2 chaptersFree trial
Grade 11 Maths — 2 chapters · 141 Qs
1Relations And Functions138 Qs →
Sample questions
Given the relation \(R=\{(1,2),(2,3)\}\) on the set \(A=\{1,2,3\}\), the minimum number of ordered pairs which when added to \(R\) make it an equivalence relation is
(A) 5
(B) 6
(C) 7
(D) 8
medium
The function \(f:\mathbb{R}\to\mathbb{R}\) defined by \(f(x)=e^x\) is
(A) Onto
(B) Many-one
(C) One-one and into
(D) Many-one and onto
medium
If \(f:\mathbb{R}\to\mathbb{R}\) is defined by \(f(x)=\begin{cases}a|x|-4, & x\in\mathbb{Q}\\a|x|-\sqrt{3}, & x\notin\mathbb{Q}\end{cases}\), then \(f(x)\) is