CBSE Class 11-science Answered
permutation and combination
Asked by | 17 Mar, 2009, 11:48: PM
Expert Answer
There are 8 letters in the word EQUATION.
Out of these 5 are vowels and 3 are consonants
The extreme left place has to be filled by a consonant , this can be done in 5 ways.
Thwe extreme right place has to be filled by a consonant, this can be done in 3 ways.
The remaining 6 places can be filled by the remaining 6 letters( after selecting 2 letters for the exteme left and extremem right place respectively)in P(6,6)=6! ways.
So ,
by the fundamental principal of counting the total number of ways as required in the question is
5*(6!)*3=15*(6!)
=15*720
=10800.
Pl send each question seperately.
Answered by | 18 Mar, 2009, 10:16: PM
Application Videos
Concept Videos
CBSE 11-science - Maths
Asked by sampabarman328 | 18 Apr, 2024, 01:20: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by tahikpreet0001 | 17 Apr, 2024, 06:41: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by nitinkrjsr07082008 | 15 Apr, 2024, 11:32: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by kanhaparashar17 | 04 Apr, 2024, 12:55: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by dseno1741 | 29 Mar, 2024, 08:47: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by parvanipatil09 | 29 Mar, 2024, 10:12: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by rishithatelaprolu84 | 29 Mar, 2024, 08:32: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Manjeet | 23 Mar, 2024, 09:41: PM
ANSWERED BY EXPERT