Related Questions

The number of flights leaving a certain airport doubles during every one-hour period between its 9 am opening and noon; afternoon, the number of flights leaving from the airport doubles during every two-hour period. If 4 flights left from the airport between 9 am and 10 am, how many flights left the airport between 2 pm and 4 pm?
A 128
B 32
C 48
D 64
Of the 50 researcher in a work group 40% will be assigned to team A and the remaining 60% to team B. However 70% of the researcher prefers team A and. 30% prefer team B. What is the least possible number of researchers who will not be assigned to the team they prefer?
A 15%
B 20%
C 25%
D 30%
Danielle has been visiting friends in Ridge-wood for the past two weeks. She is leaving tomorrow morning and her flight is very early. Most of her friends live fairly close to the airport. Madison lives ten miles away. Frances lives five miles away, Samantha, seven miles. Alexis is farther away than Frances, but closer than Samantha. Approximately how far away from the airport is Alexis?
A nine miles
B seven miles
C eight miles
D six miles
Two dogsled teams raced across a 300 mile course in Wyoming. Team A finished the course in 3 fewer hours than did team B. If team A's average speed was 5 miles per hour greater than that of team B, what was team B's average speed, in miles per hour?
A 12
B 20
C 18
D 25
Two dogsled teams raced across a 300 mile course in Wyoming . Team A finished the course in 3 ours than did team B. If team As average sped was 5 miles per hour greater than that of team B , what was team B's average speed in miles per hour?
A 12
B 20
C 18
D 25
Two planes leave the airport at the same time . Minutes later, plane A is 33 miles due north of the airport and plane B is 56 miles due east of the airport . How far apart are the two planes ?
A 82
B 119
C 65
D 93
A plane traveling at 600 miles per hour is heading for Chittagong airport. At 3.58 pm it was 30 miles from the airport. At what time it will arrive at 600 at the airport?
A 4.01 pm
B 4.02 pm
C 4.18 pm
D 4.20 pm
A football match between team A and team B is in progress. Team B is lagging behind by 2 goals. In which of the following situations team b can win the match?
A Team A scores another goal and team b scores 3 goals in the remaining time.
B Both the teams score two goals each in the remaining time.
C Team A scores 2 goals and team B scores 4 goals in the remaining time
D None of the above.
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. If debater A is in the team,which other debaters must be in the team as well?
A X,Y and B
B X,Z and D
C X,Z and B
D X,Z and C
One of the perennial problems of the tourist industry is "that of fitting what people want to see into the time they have available to see it in."
A that of fitting what people want to see into the time they have available to see it in
B fitting what people want to see into the time they have available
C that of fitting what people want to see in the time which they have available
D fitting what people want to see in the time they have available for seeing

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