document.write( "Question 936417: there are 10 subjects in school day but sixth standard students have only 5 period a day. in how many way can we form time table for the day for sixth class if no subject is repeated \n" ); document.write( "
Algebra.Com's Answer #569871 by srinivas.g(540) You can put this solution on YOUR website! there are 10 subjects and 5 periods \n" ); document.write( " I st period can be filled with any 10 subjects \n" ); document.write( " 2nd period can be filled with remaining 9 subjects ( 1 subject is already filled) \n" ); document.write( " 3 rd period can be filled with remaining 8 subjects ( 2 subjects are already filled) \n" ); document.write( "4 th period can be filled with remaining 7 subjects ( 3 subjects are already filled) \n" ); document.write( "5 rd period can be filled with remaining 6 subjects ( 4 subjects are already filled) \n" ); document.write( "so total no fo ways we can arrange = 10*9*8*7*6 \n" ); document.write( " = 30240 ways \n" ); document.write( "Result : 30240 \n" ); document.write( " |