TS EAMCET · Maths · Permutation Combination
15 girls are seated at a round table. The number of ways of selecting three girls such that all the three are not seated together is
- A 450
- B 345
- C 390
- D 440
Answer & Solution
Correct Answer
(D) 440
Step-by-step Solution
Detailed explanation
The total number of ways selecting 3 girls from 15 girls seat around a round table is \({ }^{15} C_3\). Now, number of ways selecting 3 girls who sit together at one place is 15 .…
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
- Let \(f(x)\) be a quadratic expression such that \(f(0)+f(1)=0\). If \(f(-2)=0\), thenTS EAMCET 2017 Hard
- \(z=x+i y\) and the point \(P\) represents \(z\) in the Argand plane. If the amplitude of \(\left(\frac{2 z-i}{z+2 i}\right)\) is \(\frac{\pi}{4}\), then the equation of the locus of P isTS EAMCET 2024 Hard
- If \(f: R \rightarrow R\) is an even function having derivatives of all orders, then an odd function among the following isTS EAMCET 2004 Easy
- If the quotient and remainder obtained when the expression \(3 x^5-6 x^4+2 x^3+4 x^2-5 x+8\) is divided by the expression \(x^2-2 x+3\) are \(a x^3+b x^2+c x+d\) and \(p x+q\) respectively, then \(a b+c d=\)TS EAMCET 2025 Medium
- For \(x=\frac{5}{7}\), if \(t_k\) is the first negative term in the expansion of \((1+x)^{7 / 5}\), then, \(t_1+t_2+\ldots+t_k=\)TS EAMCET 2019 Medium
- If is the probability density function of a discrete random variable thenTS EAMCET 2021 Easy
More PYQs from TS EAMCET
- Two circles which touch both the coordinate axes intersect at the points A and B. If \(\mathrm{A}=(1,2)\), then \(\mathrm{AB}=\)TS EAMCET 2025 Medium
- Which of the following is not a fundamental force in nature?TS EAMCET 2021 Easy
- Let \(a\) be a fixed positive real number and \(n\) be an arbitrary constant. For the curve \(y=\frac{x^n}{a^{n-1}}\), if the length of the subnormal at any point \((\alpha, \beta)\) is proportional to \(a^2\), then \(n=\)TS EAMCET 2020 Easy
- The line \(2 x+y-3=0\) divides the line segment joining the points \(A(1,2)\) and \(B(-2,1)\) in the ratio \(a: b\) at the point \(C\). If the point \(C\) divides the line segment joining the points \(P\left(\frac{b}{3 a},-3\right)\) and \(Q\left(-3,-\frac{b}{3 a}\right)\) in the ratio \(p: q\), then \(\frac{p}{q}+\frac{q}{p}=\)TS EAMCET 2024 Easy
- The smallest negative integer satisfying both the quadratic inequalities and isTS EAMCET 2021 Easy
- If '' is the mean of a Poisson distribution, thenTS EAMCET 2021 Easy