The Agnesi High School auditorium has exactly 26 rows of seats. The rows
are labeled, in order, from the front of the auditorium to the back from A
through Z. There are 8 seats in the row A. Each row after the first row has
two more seats than the previous row. There are 10 seats in row B, 12 seats
in row C and so on. How many seats are there in row Z?

• since its in a.p so common difference is 2 for each row. we need to find the value of the nth term i.e. the 26th term. using the formula of last term
  a+(n-1)d
  8+(26-1)2
  =58 seats in Z row
• 10 years agoHelpfull: Yes(0) No(0)
• 8, 10, 12, 14... are in A.P. with common difference (d)= 2.
  so, 26th term= 8+ 2*(26-1)
  = 58.
  therefore, there are 58 seats in Z row...
• 10 years agoHelpfull: Yes(0) No(0)