Mathematical Puzzle: IF 22+4...
Mathematical Puzzle: IF 22+4=24, 13+6=16 and 80+2=82 THEN 67+9=?Correct answers: 164
The first user who solved this task is Nasrin 24 T.
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Rocket sled speed recordIn 1982, an unmanned rocket sled reached a record 9,851 kph or 6,121 mph (Mach 8) over the 9.5 mile-long rail track at White Sands Missile Test Base, New Mexico. |