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On the 2 x 1 grid all 7- segment digits above can be formed one at a time as seen on clocks, calculators and other digital devices. If we are allowed to flip or rotate and overlap segments, how shou …

Solution for 4 x 3 grid 5 -4 6 3 0 8 2 - 9 -7 - 1

a) Remove some of the match sticks from the above 2 x 2 x 1 surface grid to reveal the figures below. Rotation, flipping, segment sharing are allowed. b) Place some match sticks on the above 1 x …

Ten sets of crayons forming all the digits from 0 to 9 can be moved, flipped, rotate and intersect without changing their digital forms. What is the maximum number of 1x1 stick squares that can be f …

All digits from 0-9 as shown are 1 in. thick and within 3x5 in.dimesion except number 1. The task is to put all the numbers inside the square box with smallest dimension nxn without overlapping of se …

Try to figure out the answers from the 2 patterns below. Find all the 10 digits first. Rotate if necessary. A: What is the missing number? [?] [10] [11] [9] [11] B- Wha …