Permutation and Combination – Page 64

Eight-people-are-seated-around-a-circular-table-Each-person-must-shake-everyone-s-hand-but-they-must-not-shake-hands-with-the-two-persons-seated-at-their-sides-How-many-handshakes-occur-

Tinku Tara June 3, 2023 Permutation and Combination 0 Comments

Question Number 911 by 112358 last updated on 22/Apr/15 $E i g h t p e o p l e a r e s e a t e d a r o u n d$ $a c i r c u l a r t a b l e . E a c h p e r s o n$ $m u s t s h a k e {e v e r y o n e}^{'} s h a n d b u t$ $t h e y m u s t n o t s h a k e h a n d s w i t h$ $t h e t w o p e r s o n s s e a t e d a t t h e i r s i d e s .$ $H o w m a n y h a n d s h a k e s o c c u r ?$ Answered by prakash…

How-many-even-numbers-between-3000-and-7000-can-be-formed-using-the-digits-2-3-4-5-6-and-8-if-repetition-of-digits-is-not-allowed-

Tinku Tara June 3, 2023 Permutation and Combination 0 Comments

Question Number 883 by 112358 last updated on 12/Apr/15 $H o w m a n y e v e n n u m b e r s$ $b e t w e e n 3000 a n d 7000 c a n b e$ $f o r m e d u s i n g t h e d i g i t s$ $2, 3, 4, 5, 6 a n d 8 i f r e p e t i t i o n$ $o f d i g i t s i s n o t a l l o w e d ?$ Answered by prakash jain last…

An-8-8-checkerboard-is-to-be-coloured-with-6-colors-in-a-way-that-no-2-adjacent-cells-sharing-side-have-the-same-color-In-how-many-ways-can-it-be-done-

Tinku Tara June 3, 2023 Permutation and Combination 0 Comments

Question Number 877 by sagarwal last updated on 07/Apr/15 $An 8 \times 8 checkerboard is to be coloured$ $with 6 colors in a way that no 2 adjacent$ $cells (sharing side) have the same color . In how$ $many ways can it be done .$ Commented by 123456 last updated on 12/Apr/15…

show-that-n-c-r-1-n-c-r-n-1-c-r-1-

Tinku Tara June 3, 2023 Permutation and Combination 0 Comments

Question Number 66262 by peter frank last updated on 11/Aug/19 $s h o w t h a t$ $^{n} c_{r + 1} +^{n} c_{r} =^{n + 1} c_{r + 1}$ Commented by mathmax by abdo…

Question-131744

Tinku Tara June 3, 2023 Permutation and Combination 0 Comments

Question Number 131744 by bemath last updated on 08/Feb/21 Answered by liberty last updated on 08/Feb/21 $= C_{3}^{7} = \frac{7.6.5}{3.2.1} = 35$ Terms of Service Privacy…

three-subject-group-are-to-be-formed-randomly-by-15-students-including-3-girls-under-the-condition-that-each-groups-consist-5-students-and-each-student-attends-only-one-group-flnd-the-probabilitie

Tinku Tara June 3, 2023 Permutation and Combination 0 Comments

Question Number 131635 by liberty last updated on 07/Feb/21 $three subject group are to be$ $formed randomly by 15 students$ $(including 3 girls) under the$ $condition that each groups$ $consist 5 students and each$ $student attends only one group .$ $$\mathrm{flnd}\:\mathrm{the}\:\mathrm{probabilities}\:\mathrm{that}\:\mathrm{of}\:\mathrm{the} \…

Question-131553

Tinku Tara June 3, 2023 Permutation and Combination 0 Comments

Question Number 131553 by Salman_Abir last updated on 06/Feb/21 Answered by EDWIN88 last updated on 06/Feb/21 $hahaha \dots . du bist groartig$ Commented by Dwaipayan Shikari…

Category: Permutation and Combination

Eight-people-are-seated-around-a-circular-table-Each-person-must-shake-everyone-s-hand-but-they-must-not-shake-hands-with-the-two-persons-seated-at-their-sides-How-many-handshakes-occur-

How-many-even-numbers-between-3000-and-7000-can-be-formed-using-the-digits-2-3-4-5-6-and-8-if-repetition-of-digits-is-not-allowed-

An-8-8-checkerboard-is-to-be-coloured-with-6-colors-in-a-way-that-no-2-adjacent-cells-sharing-side-have-the-same-color-In-how-many-ways-can-it-be-done-

show-that-n-c-r-1-n-c-r-n-1-c-r-1-

Question-131744

three-subject-group-are-to-be-formed-randomly-by-15-students-including-3-girls-under-the-condition-that-each-groups-consist-5-students-and-each-student-attends-only-one-group-flnd-the-probabilitie

Question-131553