Calculate the number 7790
[7190] Calculate the number 7790 - NUMBERMANIA: Calculate the number 7790 using numbers [7, 9, 9, 4, 81, 881] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 2
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Calculate the number 7790

NUMBERMANIA: Calculate the number 7790 using numbers [7, 9, 9, 4, 81, 881] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
#brainteasers #math #numbermania
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Send in help

A guy calls the hospital and a nurse answers the phone.

The guy said, "Send in help because my wife is going into labor."

The nurse said, "Is this her first child?"

The guy replied, "No, this is her husband."

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Driverless subway train

In 1962, the first fully automated subway train began revenue service with passengers in New York City. This began a six-month trial period as a shuttle 2,600-ft between the Times Square and Grand Central stations. A ceremony was followed by a run carrying invited guests and reporters. Next day, it began service for three hours each morning and evening rush hours. With a top speed of 30 m.p.h., a round trip took 4-1/2 mins including waiting time in the station. The three-car train carried a stand-by motorman. A strike threat by the Transport Workers Union had delayed an earlier scheduled trial beginning the previous 15 Dec, and resulted in a contract agreement that a motorman would still be aboard each train during the trial period. It remained in service until 21 Apr 1964, until destroyed by the spread of a nearby major fire in a station.«[Image: Earlier R-22 car in Coney Island Yard, in Jun 1960 after use for testing runs.]
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