radomes.openskiesproject.org
CallCejul9indleyblu
CallCejul9indleyblu CallCejul9indleyblu
  • 02-09-2016
  • Mathematics
Answered

How many different arrangements of the letters in the word SCHOOL are there? .

Verified Answer :

SyntaxError
SyntaxError SyntaxError
  • 02-09-2016

Its a permutation with repetition sum.


The formula is : n! / (a! b!)

where a = no. of Os = 2

b = no. of Ds = 2

n = total no. of letters in the word doodle = 6


Working: 6! / (2! 2!)

= 6 x 5 x 4 x 3 x 2 x 1 / 2 x 1 x 2 x 1

= 180 Answer

Answer Link

Related Questions

How does the speaker use the analogy of Mr Smoke and Mr Smart to illustrate carbon footprints
The formula d rt gives the distance d traveled in time t at rate r A bicyclist rides at a constant rate of 22 kmph How many kilometers will he travel in 25 h
what is 98464 rounded to the nearest ten thousands
A reduction in the number of sellers will shift the supply curve to the right Please select the best answer from the choices provided T F
what are the two main devices that control light in a camera
Which of these were common aspects of war efforts during World War I Check all that apply
What might happen to a population of rabbits in a forest if a new predator moved to the forest
how to factor 24x3 4x2 4x
The governments judicial power allows it to laws a enforce c ignore b make d interpretThe governments judicial power allows it to INTERPRET laws
1 Calculati Va rog ajutatima 1 7 9 28 5 39 3 412 1 5 7 5 14 2