Daily Archives: October 6, 2021

The Main Challenge Try this number trail involving 14 arithmetical steps.  Start with 16, then: ÷4 one-half of this ×7 –7 ×8 add seventeen +7 1/10 of this –2 ×13 one-third of this ÷2 +43 1/7 of this What is your final answer? The 7puzzle … Continue reading →