The least possible value of the actual area of the square region

The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value of the actual area of the square region is

A) 36.00 sq cm

B) 35.00 sq cm

C) 33.75 sq cm

D) 30.25 sq cm

E) 25.00 sq cm

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GHCV tagged this post with: Geometry, GMAT Question of the Day Read 54 articles by GHCV

1. Ankur Chawla says:

   October 27, 2007 at 3:36 pm

   D
2. Srinivasan says:

   October 27, 2007 at 7:08 pm

   ANSWER D
   The least possible value when rounding to 6 cm long is 5.5 cm. Therefore, the least possible value of actual area of square region is 5.52 = 30.25 cm2.
3. shilpa says:

   August 19, 2008 at 4:22 am

   D
4. Tapas says:

   December 4, 2008 at 4:21 pm

   D
5. San says:

   October 31, 2009 at 3:11 pm

   D
6. ismitevijay says:

   November 1, 2009 at 4:36 pm

   Answer is D:
7. Nidhi Bhuchar says:

   November 1, 2009 at 4:46 pm

   D- i wish to have this as my first question in my actual exam!
8. vidhi says:

   November 3, 2009 at 4:27 pm

   D
9. Rajib Banerjee says:

   March 5, 2010 at 12:16 am

   D, as the least possible length of the square would be 5.5
10. aryan says:

    March 5, 2010 at 6:41 am

    D. …
11. Kofi says:

    March 5, 2010 at 8:20 pm

    D…
12. JT says:

    March 6, 2010 at 1:39 am

    D

    too easy.
13. prats says:

    March 8, 2010 at 4:56 pm

    Why can it not be 25? I dont get it. can someone explain ?
14. amma4u says:

    March 9, 2010 at 11:59 pm

    5.5*5.5=30.25 that’s why it cannot be 25.

    If you ask why 5.5, the question stem asks rounding the nearest cm…you can round a value only if it above the.5 limit.

    HTH.
15. ismitevijay says:

    March 10, 2010 at 12:47 pm

    D:
16. dp says:

    March 13, 2010 at 8:23 pm

    D