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Find number abc

If 4a3ca + cab32 = 1b83a1 find number abc. Multiple solutions may exist.

Correct answers: 31

The first user who solved this task is Djordje Timotijevic.

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The Truth About Cats and Dogs

A dog thinks: Hey, these people I live with feed me, love me, provide me with a nice warm, dry house, pet me, and take good care of me... They must be Gods!

A cat thinks: Hey, these people I live with feed me, love me, provide me with a nice warm, dry house, pet me, and take good care of me... I must be a God!

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Camera rocket patent

In 1907, a U.S. patent for a camera-carrying rocket parachute landing device was issued to Alfred Maul, an engineer of Dresden, Germany, with the title “Rocket Apparatus” (No. 847,198). He held a prior patent (19 Apr 1904, No, 757,825) for a rocket-launched capsule carrying scientific instruments. In the new patent he described an improved method for its safe return. Using time-controlled means (a fuse or clockwork), at the peak of flight, the instrument cap was released, pulling a parachute out of a chamber in the main casing of the rocket, which remained attached by a line and hung during the fall some distance below the cap. They descended together until the casing hit the ground, when the full effect of the parachute was given to slow the capsule giving a gentler landing for the delicate instruments inside.«

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