Q. In a geometric progression, the first term and the common ratio are both equal to 2.find the fourth term.

Option
a) 16
b) 18
c) 8
d) 26

• tn=a*r^n-1
  t4=2*(2)^4-1=16
• 8 years agoHelpfull: Yes(2) No(0)
• Let the first term be denoted by a.
  Common ratio=r
  We need to find a(4)
  Solution: a(4)=a(r^n-1)=8*2=16
• 9 years agoHelpfull: Yes(1) No(0)
• The series is 2, 4, 8 and 16. So the fourth term is 16.
• 10 years agoHelpfull: Yes(0) No(0)
• ans 16 series is 2 4 8 16
• 9 years agoHelpfull: Yes(0) No(0)
• 2*(2)^3=16
• 6 years agoHelpfull: Yes(0) No(0)