Goodmarks

Mathematics · JEE

Meaning of P(n,r) and C(n,r) Revision for JEE

4+ syllabus-aligned questions available

Quick answer

Revise Meaning of P(n,r) and C(n,r) by covering every subtopic once, drilling formulas, then solving 4+ timed MCQs with full solutions.

Use this Meaning of P(n,r) and C(n,r) revision checklist before mocks and the final exam. Reinforce concepts with 4+ syllabus-aligned MCQs on Goodmarks.

Revision checklist

  1. 1.Core idea: Meaning of P(n,r) and C(n,r)
  2. 2.Relates to other subtopics in Permutations and Combinations
  3. 3.Fundamental counting principle
  4. 4.Permutations with/without repetition
  5. 5.Master Meaning of P(n,r) and C(n,r) definitions and standard results
  6. 6.Solve 20 timed MCQs for Meaning of P(n,r) and C(n,r)

Syllabus context

Part of Permutations and Combinations in JEE Main Mathematics.

Free sample questions

Attempt 4 free MCQs for Meaning of P(n,r) and C(n,r). Unlock the full bank with Pro.

Unlock full bank
Q1MathsUnit 4: Permutations and Combinations
Arrange the following values of nn in ascending order. A:nP5=nP6⇒n=\boldsymbol{A}:^{n} \boldsymbol{P}_{5}=^{n} \boldsymbol{P}_{6} \Rightarrow \boldsymbol{n}= B:nP12=nP8⇒n=\boldsymbol{B}:^{\boldsymbol{n}} \boldsymbol{P}_{12}=^{\boldsymbol{n}} \boldsymbol{P}_{\boldsymbol{8}} \Rightarrow \boldsymbol{n}= C:nC(n−3)=10⇒n=\boldsymbol{C}:^{n} \boldsymbol{C}_{(\boldsymbol{n}-\mathbf{3})}=\mathbf{1 0} \Rightarrow \boldsymbol{n}= D:(n+1)P5:nP6=1:2⇒n=\boldsymbol{D}:^{(\boldsymbol{n}+1)} \boldsymbol{P}_{5}:^{\boldsymbol{n}} \boldsymbol{P}_{6}=\mathbf{1}: \boldsymbol{2} \Rightarrow \boldsymbol{n}=
Q2MathsUnit 4: Permutations and Combinations
If r>1,r>1, then nPrnCr\frac{n P_{r}}{n C_{r}} is This question has multiple correct options
Q3MathsUnit 4: Permutations and Combinations
If nPr=30240^{n} \boldsymbol{P}_{r}=\mathbf{3 0 2 4 0} and nCr=252,^{n} \boldsymbol{C}_{r}=\mathbf{2 5 2}, then the ordered pair (n,r)(n, r) is equal to:
Q4MathsUnit 4: Permutations and Combinations
If nC3=nC9,^{n} C_{3}=^{n} C_{9}, then nC2=^{n} C_{2}=

Want unlimited Meaning of P(n,r) and C(n,r) practice?

Pro unlocks the full question bank, topic filters, and attempt history.

Get started freeView Pro plans

Popular questions in Meaning of P(n,r) and C(n,r)

Frequently asked questions

How should I revise Meaning of P(n,r) and C(n,r) before JEE?

Follow the checklist on this page, revise formulas daily, and attempt mixed MCQs every 2–3 days.

Related topics