MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 286
The first user who solved this task is Thinh Ddh.
#brainteasers #math #riddles
Turbo-prop FlightIn 1948, The world's first production turbine-propeller aircraft, the Vickers Viscount, made its maiden flight. The Viscount is still Britain's most successful commercial transport aircraft, with 444 aircraft being built. Combining speed, passenger appeal and operating economics, Viscounts formed the basis for many airlines until replaced by pure jet equipment. |