Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

permutation and combination
Asked by soukarshadhar2006 | 31 Mar, 2010, 09:29: AM
Expert Answer

To make a 4 letter word consisting of 2 vowels and 2 consonants

there are 21 consonents and 5 vowels

2 types of letters at 4 places can be done in 4C2 ways

Two consonanats can be selected in 21X21 ways

Two vowels can be done in 25 ways

total ways = 6x25x441

Answered by | 31 Mar, 2010, 10:15: AM
CBSE 11-science - Maths
Asked by benganigaurav24 | 10 Jul, 2021, 10:05: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by sahabya | 29 May, 2010, 02:55: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by abhishek11 | 25 May, 2010, 07:11: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by prashant.jain | 24 May, 2010, 12:43: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by sidhusid | 18 May, 2010, 07:14: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
ap
Asked by MANOJKUMAR | 16 May, 2010, 08:57: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by MANOJKUMAR | 15 May, 2010, 01:33: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by dandirao | 15 May, 2010, 12:19: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by prerana1994 | 11 May, 2010, 08:55: AM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by varunsinghal2011 | 09 May, 2010, 03:45: PM
ANSWERED BY EXPERT
Free Sample Papers - Click Here
×