Permutation and Combination

Question-219527

Tinku Tara April 27, 2025 Permutation and Combination 0 Comments

Question Number 219527 by mr W last updated on 27/Apr/25 Commented by Nicholas666 last updated on 27/Apr/25 $\frac{1}{48019}$ Commented by mr…

10-couples-are-invited-to-a-dinner-after-the-dinner-they-form-pairs-to-dance-in-how-many-ways-can-they-do-this-1-generally-2-a-man-should-dance-with-a-woman-3-as-2-but-two-special-couples-

Tinku Tara April 12, 2025 Permutation and Combination 0 Comments

Question Number 218578 by mr W last updated on 13/Apr/25 $10 c o u p l e s a r e i n v i t e d t o a d i n n e r .$ $a f t e r t h e d i n n e r t h e y f o r m p a i r s$ $t o d a n c e . i n h o w m a n y w a y s c a n t h e y$ $d o t h i s,$ $1) g e n e r a l l y$ $2) a m a n s h o u l d d a n c e w i t h a w o m a n$ $3) a s 2), b u t t w o s p e c i a l c o u p l e s$ $$\:\:\:\:\:{should}\:{not}\:{dance}\:{with}\:{each}\:{other}…

there-are-100-students-in-a-school-it-is-found-out-that-each-student-should-select-at-least-4-courses-so-that-no-two-students-have-the-same-selection-how-many-different-courses-does-the-school

Tinku Tara April 10, 2025 Permutation and Combination 0 Comments

Question Number 218445 by mr W last updated on 10/Apr/25 $t h e r e a r e 100 s t u d e n t s i n a s c h o o l .$ $i t i s f o u n d o u t t h a t e a c h s t u d e n t$ $s h o u l d s e l e c t a t l e a s t 4 c o u r s e s, s o$ $t h a t n o t w o s t u d e n t s h a v e t h e s a m e$ $s e l e c t i o n .$ $h o w m a n y d i f f e r e n t c o u r s e s d o e s$ $t h e s c h o o l o f f e r ?$ …

10-couples-are-invited-to-a-dinner-and-should-be-seated-at-a-round-table-in-how-many-ways-can-the-host-do-this-1-generally-2-if-the-husband-and-the-wife-of-each-couple-should-sit-together-3

Tinku Tara April 6, 2025 Permutation and Combination 0 Comments

Question Number 218310 by mr W last updated on 06/Apr/25 $10 c o u p l e s a r e i n v i t e d t o a d i n n e r$ $a n d s h o u l d b e s e a t e d a t a r o u n d t a b l e .$ $i n h o w m a n y w a y s c a n t h e h o s t d o$ $t h i s,$ $1) g e n e r a l l y .$ $2) i f t h e h u s b a n d a n d t h e w i f e o f$ $e a c h c o u p l e s h o u l d s i t t o g e t h e r .$ $$\left.\mathrm{3}\right)\:{if}\:{no}\:{two}\:{men}\:{should}\:{sit}\:{next}…

10-couples-are-invited-to-a-dinner-and-should-be-seated-at-a-round-table-in-how-many-ways-can-the-host-do-this-1-generally-2-if-two-men-should-not-sit-next-to-each-other-3-as-2-but-two-spe

Tinku Tara April 5, 2025 Permutation and Combination 0 Comments

Question Number 218299 by mr W last updated on 05/Apr/25 $10 c o u p l e s a r e i n v i t e d t o a d i n n e r a n d$ $s h o u l d b e s e a t e d a t a r o u n d t a b l e .$ $i n h o w m a n y w a y s c a n t h e h o s t d o$ $t h i s,$ $1) g e n e r a l l y$ $2) i f t w o m e n s h o u l d n o t s i t n e x t$ $t o e a c h o t h e r$ $$\left.\mathrm{3}\left.\right)\:{as}\:\mathrm{2}\right),\:{but}\:{two}\:{speicial}\:{couples}\:…

P-5-6-15-15-6-15-9-15-14-131-2-11-10-9-8-7-6-5-4-3-2-1-9-8-7-6-5-4-3-2-15-14-13-12-11-10-3-603-600-

Tinku Tara March 31, 2025 Permutation and Combination 0 Comments

Question Number 218169 by vile last updated on 31/Mar/25 $P (5, 6) = \frac{15!}{(15 - 6)} = \frac{15!}{9!}$ $= \frac{15 \times 14 \times 131 \times 2 \times 11 \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}{9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times}$ $= 15 \times 14 \times 13 \times 12 \times 11 \times 10$ $= 3, 603, 600$ Terms of Service Privacy Policy…

how-many-different-words-can-be-formed-from-the-word-MATHEMATICS-note-here-a-word-should-have-at-least-two-letters-but-mustn-t-have-a-meaning-

Tinku Tara March 30, 2025 Permutation and Combination 0 Comments

Question Number 218129 by mr W last updated on 30/Mar/25 $h o w m a n y d i f f e r e n t w o r d s c a n b e$ $f o r m e d f r o m t h e w o r d$ $MATHEMATICS ?$ $n o t e : h e r e a w o r d s h o u l d h a v e a t$ $l e a s t t w o l e t t e r s, b u t {m u s t n}^{'} t h a v e a$ $m e a n i n g .$ Answered by…

Question-217402

Tinku Tara March 12, 2025 Permutation and Combination 0 Comments

Question Number 217402 by mr W last updated on 12/Mar/25 Answered by vnm last updated on 13/Mar/25 $C_{5}^{2} \cdot 4! \cdot 4 = 10 \cdot 24 \cdot 4 = 960$ Commented by mr…

Question-214923

Tinku Tara December 23, 2024 Permutation and Combination 0 Comments

Question Number 214923 by efronzo1 last updated on 23/Dec/24 Terms of Service Privacy Policy Contact: info@tinkutara.com

Question-213796

Tinku Tara November 17, 2024 Permutation and Combination 0 Comments

Question Number 213796 by efronzo1 last updated on 17/Nov/24 Answered by A5T last updated on 17/Nov/24 $x_{0} = k \Rightarrow x_{1} = \frac{1 + k}{1 - k} \Rightarrow x_{2} = \frac{- 1}{k} \Rightarrow x_{3} = \frac{k - 1}{1 + k} \Rightarrow x_{4} = \frac{2 k}{2} = k$ $$\Rightarrow{x}_{\mathrm{4}{n}} ={k}=\mathrm{2022}…

Category: Permutation and Combination