Request a call back

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

CBSE Class 11-science Answered

How many different signals can be generated by using 9 flags of which 4 are red, 3 are blue and 2 are green by arranging them on a staff, one below the other?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

Here, we are suppose to arrange 9 objects, out of which 4 are of one kind, 3 are of second kind and 2 are of third kind.

So, the total possible arrangements would be

                                     

Hence 1260 signals can be generated.

Answered by | 04 Jun, 2014, 03:23: PM
CBSE 11-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 11-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
Season Break Offer!
Get 60% Flat off instantly.
Avail Now
×