Related Questions

Rectangular floors X and Y have equal area. If floor X is 12 feet by 18 feet and Floor Y is 9 feet wide, what is the length of floor Y, in feet?
A 13.5
B 18
C 21
D 24
The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (with return) trips will the operator makes during a 7-hour period?
A 50
B 60
C 80
D 90
The elevator in an eleven-storied office building travels at the rate of one floor per 1/4 minute, which allows time for picking up and letting down passengers. At the main floor and at the top floor the operator stops for 1 minute. How many complete (return) trips will the operator make during a 7 hours period?
A 50
B 60
C 80
D 90
If the height of the hydraulic gradient line above the floor of thickness t is h and the specific gravity of the material of the floor is G, the minimum thickness t of the floor downstream of the crest-wall, is given by the equation
A $${\text{t}} = \frac{{{\text{h}} + 1}}{{{\text{G}} + {\text{t}}}}$$
B $${\text{t}} = \frac{{{\text{h}} - 1}}{{{\text{G}} + {\text{t}}}}$$
C $${\text{t}} = \frac{{{\text{h}} - 1}}{{{\text{G}} - {\text{t}}}}$$
D $${\text{t}} = \frac{{{\text{h}} + 1}}{{\text{G}}}$$
60% of the students of a college are male. 60% of the male in the college speak French and 40% of the students of the college speak French. What percent of the female in the college do not speak French?
A 40%
B 90%
C 10%
D 36%
In a group of 15 high school students, 7 study Latin, 8 study French and 3 study neither Latin nor French. How many students study both Latin and French?
A 3
B 4
C 6
In a group of 15 high school students, 7 study Latin, 8 study French, and 3 study neither Latin nor French. How many students study both Latin and French?
A 3
B 15
C 4
In group of 15 high school students, 7 study Latin, 8 study French and 3 study neither Latin nor French. How many students study both Latin and French?
A 3
B 15
C 4
60% of the students of a college are male. 60% of the males in the college speak French and 40% of the students of the college speak French. What is the percentage of the females in the college who do not speak French?
A 40%
B 90%
C 60%
D 85%
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours

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