Blog

The Quest for 700: Weekly GMAT Challenge

Each week Manhattan GMAT posts a 700 level GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge?

Four concentric circles share the same center. The smallest circle has a radius of 1 inch. For n greater than 1, the area of the nth smallest circle in square inches, An, is given by An = An–1 + (2n – 1).

What is the sum of the areas of the four circles, divided by the sum of their circumferences, in inches?

(A) 1

(B) 1½

(C) 2

(D) 2½

(E) 3




Upcoming Events


Upcoming Deadlines

  • Duke Fuqua (Round 3)
  • Ohio Fisher (Round 3)
  • Vanderbilt Owen (Round 3)
  • USC Marshall (Round 3)
  • Carnegie Mellon Tepper (Round 3)
  • Toronto Rotman (Round 3)
  • INSEAD (Round 4)
  • Cambridge Judge (Round 4)
  • UW Foster (Round 3)
  • Notre Dame Mendoza (Round 3)
  • Emory Goizueta (Round 3)
  • Oxford Saïd (Round 3)
  • IESE (Round 3)
  • Dartmouth Tuck (Round 3)
  • London Business School (Round 3)
  • Texas McCombs (Round 3)
  • Vanderbilt Owen (Round 4)
  • Berkeley Haas (Round 4)

Click here to see the complete deadlines


2023–2024 MBA Essay Tips

Click here for the 2022–2023 MBA Essay Tips


MBA Program Updates