Calculate a x b
Look at the series (156, 615, 561, a, 413, 341, 132, b), determine the pattern, and calculate a x b.Correct answers: 61
The first user who solved this task is Slobodan Strelac.
#brainteasers #math
Two-way radio on busIn 1945, a two-way radio was placed in service on a U.S. bus for the first time. Arnold Lines (the Washington, Virginia and Maryland Coach Company) had made tests with the two-way radio two months earlier on 8 Jul. Two months later, on 13 Nov, the Federal Communications Commission (FCC) granted a permanent license for its operation.«[Image: A Greyhound coach from the 1945 period shown by the Pacific Bus Museum.] |