- A7
- B10
- C30
- D9
Step-by-Step Solution
To make 5 slices along the length takes 4 cuts, 3 slices across takes 2 cuts, and 2 layers takes 1 cut. Least number . (10 counts one cut per slice: )
Answer: A) 7
A block is to be cut into the 30 small cubes marked on it, 5 along the length, 3 across and 2 high. The pieces may not be moved between cuts. What is the least number of straight cuts needed?
Competition practiceDice & Cubes
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Dice & Cubes practice questions
More Dice & Cubes practice
A cube of butter is cut right through along the three orange lines shown, one in each…This cube, painted all over, is cut along the lines. How many small cubes have paint on…The top and bottom of this cube are red, and the four sides blue. After it is cut along…Three faces of this cube that meet at one corner are painted yellow; the other three are…Ravi paints just the top of a cube blue and cuts it along the lines shown. How many of…