GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
A square board that has an area of 25 square inches is to be cut into
[#permalink]
10 Nov 2021, 04:10
10 Nov 2021, 04:10
1
Expert Reply
00:00
Question Stats:
5% (01:53) correct
94% (02:01) wrong based on 18 sessions
Hide Show timer Statistics
A square board that has an area of 25 square inches is to be cut into pieces, each of which is a square with sides of length 1, 2, or 3 inches. What is the least number of such square pieces into which the board can be cut?
A. 5
B. 6
C. 7
D. 8
E. 9
A. 5
B. 6
C. 7
D. 8
E. 9
Re: A square board that has an area of 25 square inches is to be cut into
[#permalink]
15 Nov 2021, 03:57
15 Nov 2021, 03:57
1
Expert Reply
Area of Square with side 5 = 25
Area of Square with side 3 = 9
Area of Square with side 2 = 4
Area of Square with side 1 = 1
only one square with side 3 can come (area covered = 9, area left 16)
3 squares with side 2 can come = (area covered = 12 + 9, area left 4)
4 squares with side 1 will come
D
Area of Square with side 3 = 9
Area of Square with side 2 = 4
Area of Square with side 1 = 1
only one square with side 3 can come (area covered = 9, area left 16)
3 squares with side 2 can come = (area covered = 12 + 9, area left 4)
4 squares with side 1 will come
D
gmatclubot
Re: A square board that has an area of 25 square inches is to be cut into [#permalink]
15 Nov 2021, 03:57
Moderators:
