Calculate the number 779
NUMBERMANIA: Calculate the number 779 using numbers [1, 3, 5, 5, 64, 467] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 3
#brainteasers #math #numbermania
Final Concorde passenger flightIn 2003, the final scheduled flights of the British Airways Concorde brought an end to the era of supersonic passenger service that began on 21 Jan 1976. The Air France Concorde service had ended on 31 May 1976. The two airlines had previously made simultaneous announcements on 10 Apr 2003 that the SSTs were to be retired. Rising fuel and maintenance costs (in the shadow of a fatal crash of a French Concorde in 2000) at a time of declining passenger traffic and revenue had made the decision unavoidable.« |