find the number of numbers that can be formed using all the digits 1,2,3,4,3,2,1 only once so that the odd digitts occupy old place only?/

• 6 no only can be made
  
• 10 years agoHelpfull: Yes(1) No(0)
• 12
  here 1,1,3,3 is odd .so ie,4*3*2*1/2*1=12.1 is repeated 2 times & 3 is repeated 2 times .in given Q,i digit should take only once.
• 10 years agoHelpfull: Yes(0) No(0)
• (4!/(2!*2!))(3!/2!)=18
• 10 years agoHelpfull: Yes(0) No(0)