Soldiers line up spaced with pride, Two long rows lined side by side. One sole unit can decide, If the rows will unite or divide. Tell me, tell me, scream it out. What’s the thing I talk about?

My 1st brother studies aerodynamics, my 2nd builds different engines. My 3rd brother is just an illustration and my fourth is as wise as an owl. About me? I am unanimous to whatever you say! Find us all!

Count the number of F’s in the sentence. Count them only once. Do not go back and count them again. FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS.

There is a chain nailed to the wall. The chain is 10 feet long and the center of the chain dips down 5 feet from where each side of the chain is nailed to the wall. How far are the 2 ends of chain from each other?

I wasn’t born a horse and I never fly. Yet sometimes I still soar, right into the sky. I often contain breath, and yet I never die. Sometimes I am torn, but I never sigh. Often, with ambition, I aspire, and go till I can go no higher. Then, like many men, so great, I sink into a low state. What am I?