Monday, January 22, 2007

“GRE GEOMETRY QUESTION OF THE DAY’

A rectangular floor 18 feet by 10 feet is to be completely covered with carpeting that costs x dollars per square yard. In terms of x, how many dollars will the carpeting cost?
( 1 yard = 3 feet )
(A) 20x
(B) 28x
(C) 60x
(D) 180x
(E) 540x

8 comments:

  1. 18 feet = 18/3=6yards
    10 feet = 10/3 yards

    therefore,
    total area = 6*(10/3) sq yards
    = 20 sq yards

    therefore,
    total cost = 20x dollars

    ReplyDelete
  2. i cant understand why u guys hav given 60x as the answer!!

    if im wrong plz give the right answer wid soln at anniaustin@gmail.com

    thanks

    ReplyDelete
  3. ya ANIRUDHA u r correct..
    thanks for explanation also...

    correct ans is 20x

    ReplyDelete
  4. (18*10)/9=20 as (1sq yard= 9sq feet)
    Total cost = 20x

    ReplyDelete