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Shown below is a stack of identical bricks arranged without empty spaces between them. How many additional bricks are required to complete the stack into a solid rectangular block?
2 years ago
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yukeshvar k
ans:58
last horizontal row : 6 bricks needed
two horizontal rows before last combined need 30 bricks
the closest row needs 20 bricks
tip to solve: visualize and add bricks mentally , look at length and breadth . the figures height : 5 bricks . easier but time consuming way is to draw and find out- wouldnt recommend . try to solve it mentally
Most Popular Answer
2 years ago
Madhura Regundwar
ans:58
last horizontal row : 6 bricks needed
two horizontal rows before last combined need 30 bricks
the closest row needs 20 bricks
tip to solve: visualize and add bricks mentally , look at length and breadth . the figures height : 5 bricks . easier but time consuming way is to draw and find out- wouldnt recommend . try to solve it mentally
a year ago