A class photograph has to be taken.the first row consists of 6 girls who are sitting.20 boys are standing behind.The two comer position are reserved for the two tallest boy.In how many ways can the students be arranged?
(A)18!*720 (B)6!*1440 (C)18!*2!*1440 (D)18!*1440 (E)none of these

• 6! * 18 ! * 2! = 18! * 1440 ans
• 13 years agoHelpfull: Yes(16) No(2)
• girls wil sit in 6!ways
  two corner positions can b occcupied in 2ways
  n remaining 18 boys wil sit in18!ways
  so ans is 2*6!*18!=18!*1440
• 13 years agoHelpfull: Yes(9) No(0)
• 6!*18!*2!=18!*1440
• 13 years agoHelpfull: Yes(1) No(0)
• ans (d)
• 13 years agoHelpfull: Yes(0) No(4)