JEE Mains · Maths · STD 11 - 6. permutation and combination
All words, with or without meaning, are made using all the letters of the word \(MONDAY\). These words are written as in a dictionary with serial numbers. The serial number of the word \(MONDAY\) is
- A \(327\)
- B \(326\)
- C \(328\)
- D \(324\)
Answer & Solution
Correct Answer
(A) \(327\)
Step-by-step Solution
Detailed explanation
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Maths
- The angle between the lines whose direction cosines satisfy the equations \(l + m + n = 0\) and \({l^2} = {m^2} + {n^2}\) isJEE Mains 2014 Medium
- Let \(P_n=\alpha^n+\beta^n, n \in \mathbf{N}\). If \(P_{10}=123, P_9=76\), \(P_8=47\) and \(P_1=1\), then the quadratic equation having roots \(\frac{1}{\alpha}\) and \(\frac{1}{\beta}\) is :JEE Mains 2025 Medium
- Let \(P\) be a point on the ellipse \(\frac{x^2}{9}+\frac{y^2}{4}=1\). Let the line passing through \(P\) and parallel to \(y\)-axis meet the circle \(x^2+y^2=9\) at point \(Q\) such that \(P\) and \(Q\) are on the same side of the \(x\)-axis. Then, the eccentricity of the locus of the point \(R\) on \(P Q\) such that \(P R: R Q=4: 3\) as \(P\) moves on the ellipse, is :JEE Mains 2024 Medium
- \(ABC\) is a triangular park with \(AB = AC = 100\) \(metres\). A vertical tower is situated at the mid-point of \(BC\). If the angles of elevation of the top of the tower at \(A\) and \(B\) are \({\cot ^{ - 1}}\left( {3\sqrt 2 } \right)\) and \(\cos e{c^{ - 1}}\left( {2\sqrt 2 } \right)\) respectively, then the height of the tower (in metres) isJEE Mains 2019 Hard
- A tangent line \(\mathrm{L}\) is drawn at the point \((2,-4)\) on the parabola \(\mathrm{y}^{2}=8 \mathrm{x}\). If the line \(\mathrm{L}\) is also tangent to the circle \(x^{2}+y^{2}=a\), then \('a'\) is equal to .... .JEE Mains 2021 Hard
- Let \(A=\left[\begin{array}{ccc}2 & 1 & 0 \\ 1 & 2 & -1 \\ 0 & -1 & 2\end{array}\right]\). If \(|\operatorname{adj}(\operatorname{adj}(\operatorname{adj} 2 A))|=(16)^{ n }\), then \(n\) is equal toJEE Mains 2023 Hard
More PYQs from JEE Mains
- Let \(\alpha \) and \(\beta \) be the roots of equation \(p{x^2} + qx + r = 0\) ( where \(p \ne 0\)) . If \(p,q,r\) are in \(A.P.\) and \(\frac{1}{\alpha } + \frac{1}{\beta } = 4\) , then the value of \(\left| {\alpha - \beta } \right| \) isJEE Mains 2014 Hard
- In a tournament, a team plays \(10\) matches with probabilities of winning and losing each match as \(\frac{1}{3}\) and \(\frac{2}{3}\) respectively. Let \(x\) be the number of matches that the team wins, and \(y\) be the number of matches that team loses. If the probability \(\mathrm{P}(|\mathrm{x}-\mathrm{y}| \leq 2)\) is \(\mathrm{p}\), then \(3^9 \mathrm{p}\) equals ...........JEE Mains 2024 Hard
- For a natural number \(n\), let \(a _{ n }=19^{ n }-12^{ n }\). Then, the value of \(\frac{31 \alpha_{9}-\alpha_{10}}{57 \alpha_{8}}\) isJEE Mains 2022 Easy
- Let \(g:(0, \infty) \rightarrow R\) be a differentiable function such that \(\int\left(\frac{x(\cos x-\sin x)}{e^{x}+1}+\frac{g(x)\left(e^{x}+1-x e^{x}\right)}{\left(e^{x}+1\right)^{2}}\right) d x=\frac{x g(x)}{e^{x}+1}+c\) for all \(x >0\), where \(c\) is an arbitrary constant. Then.JEE Mains 2022 Hard
- The interior angles of a polygon with n sides, are in an A.P. with common difference \(6^{\circ}\). If the largest interior angle of the polygon is \(219^{\circ}\), then n is equal toJEE Mains 2025 Easy
- The number of solutions of the equation \(2 \theta-\cos ^{2} \theta+\sqrt{2}=0\) is \(R\) is equal toJEE Mains 2022 Hard