important clue. Since one pencil and the green notepad together weigh 350 units, subtracting the pencil’s weight leaves us with 300 units for the notepad.
Finally, the third scale shows that the notepad and scissors have a combined weight of 450 units. Subtracting the notepad’s weight of 300 units gives us the final result: the scissors weigh 150 units.
What makes this puzzle enjoyable is that it does not require advanced mathematics. It simply asks us to observe the information carefully, recognize the relationships between the objects, and solve each
