Block Relocation 2

B has 2 fewer blocks than A B is the same size B has 1 fewer block than A B has 2 more blocks than A B has 1 more block than A

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22 solutions

Caeo Tan
Aug 26, 2015

i just rearranged the blocks, or you can count all the blocks and you'll still get 1 block extra

What if the A core is empty ? A and B have the same amount of blocks..

Ben Fenneck - 5 years, 9 months ago

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the core of a could not be empty or the center top block would fall in.

Robert Vandever - 5 years, 9 months ago

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what if the blocks are stuck and core is empty?

Prakhar Awasthi - 5 years, 9 months ago

You are absolutely correct. We are assuming a lot with this question.

Kyle Sargent - 5 years, 9 months ago

we can't assume anything by ourselves... we have to follow questions and it is not written in the question to assume that core is empty...

Jannat Muraza - 5 years, 7 months ago

Ya 1 block more

Sangeetha Chandra Sekar - 5 years, 9 months ago

just rearranged the blocks,

Bescom Chandru Chandru Yadav - 5 years, 9 months ago
Subham Badaik
Aug 26, 2015

We will need 1 block more because ,'A' block has 27 blocks and 'B' block has 26 blocks .

Rajalaxmi Mishra
Aug 29, 2015

I counted the number of blocks in each dice..and found there will be an extra block in dice A. There are 27 blocks in dice A,but 26 blocks in B.

Daniel Schnoll
Aug 28, 2015

Just rearrange the blocks

Jaisal Chauhan
Aug 26, 2015

A block has 27 blocks and B block has 26 blocks so we will need 1 block more .

James Hmar
Sep 27, 2015

Just stack up the opened block i,e block B ,then u'll find that 1 small cube is required to be equal to block A

Belynda Young
Sep 7, 2015

count the top blocks on A = 9 times it by 3 = 27 now count 3x5 = 15+ 2+2+2+2+2+1 = 26

Hasan Skt
Sep 4, 2015

no of column having 3 blocks=5 no of column having 2 blocks=5 no of column having 1 blocks=1 total=5 3+5 2+1=26 in A , total blocks = 3*9=27 so leftover 1 blocks

Brian Hutapea
Sep 3, 2015

i rearranged B to A in my mind.

I did that too

Victoria Fawcett - 5 years, 9 months ago
Victoria Fawcett
Sep 13, 2015

Or just the simple answer?

Junior Beaudin
Sep 3, 2015

trop facile j en veux des plus difficile

I answered that B was 1 block smaller than A. It took me some time to trust my instincts on this due to the fact that you can not see all the blocks used for A, which usually matters. It's only a total of 19 visible. We also know that all the blocks from A were used to create B as well. If A's core were filled it would have 8 extra blocks, a total of 27, 9 X 3 = 27. We know that there must be more blocks in the core or else B would not have the amount of blocks visible which is 26 Blocks. This is were we have to decide whether or not the answer would be "B is the same size" or "B is 1 block smaller." The only way to come to a conclusion is to say that A would look differently if one of the blocks were missing because the shape would change if one of the core pieces were missing. This gives us the information that A has all 27 blocks and that B is 1 block smaller than A.

Matthew Hayes
Aug 31, 2015

cube A has 27 blocks (3x3x3) cube b has 26 blocks 27-26=1 therefore, you would need 1 more block to transform A into B

Praveena Yadav
Aug 30, 2015

BY observation we can conclude that 1 block has been removed from B

I calculated the volume of A (3×3×3=27) and then that of B which amounted to 26. Then I subtracted A from B (27-26=1) hence B was a block less than A.

Robert Vandever
Aug 30, 2015

3x3x3=27 (3x5)+(2x5)+1=26

Jamie Lucin
Aug 30, 2015

3^3 is 27. If you take 27 and count up the blocks in answer B, you get 26 which is one fewer

Achi Ashik
Aug 29, 2015

Just count the blocks..

Kriystinne W
Aug 29, 2015

It's missing 5. Only 4 near cube B.

Count again

Alex Xlayk - 5 years, 9 months ago
Mohd Saleem
Aug 29, 2015

Framing of the question is not well enough to understand, though its a easy question.

Syed Baqir
Aug 27, 2015

Ben Berger
Aug 26, 2015

1 Block will be left as A= 27 blocks and B= 26

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