Related Questions

A can complete a project in 20 days and B can complete the same project in 30 days. A and B start working on the project together and A quits 10 days before the project is expected to be completed. How many days in total will the project take to complete ?
A 16 days
B 18 days
C 23 days
D 27 days
Japanese goods are cheap -Here the word "Japanese" is a-
A possessive adjective
B demonstrative
C distributive adjective
D proper adjective
I would speak Japanese _____ way ____ Japanese speak it.
A the, a
B the, the
C a, a
D a, the
Four staff members at a certain company worked on a project. The amounts of time that the furn staff members worked on the project were in the ratio 2 to 3 to 5 to 6 If one of the four staff members worked o the project for 30 hours, which of the following CANNOT be the total number of hours that the for staff members worked on the project?
A 192
B 96
C 160
D 240
Four staff members at a certain company worked on a project. The amounts of time that the furn staff members worked on the project were in the ratio 3 to 4 5 to 6 . If one of the four staff members worked on the project for 60 hours, which of the following CANNOT be the total number of hours that the four staff members worked on the project ?
A 540
B 270
C 180
D 288
Consider a company that assembles computers. The probability of a faulty assembly of any computer is p. The company therefore subjects each computer to a testing process. This testing process gives the correct result for any computer with a probability of q. What is the probability of a computer being declared faulty?
A pq + (1 - p) (1 - q)
B (1 - q)p
C (1 - p)q
D pq
Two hundred multiples of seven are chosen at random. and 300 multiples of eight are chosen at random. Approximately what percentage of the 500 selected numbers are odd?
A 20%
B 25%
C 40%
D 80%
There are 120 engineers and technocians working in a project in a project. If the ratio of enginerrs to technicians is 3 to 5, how many technicians are working in the project?
A 45
B 60
C 75
D 90
If the scheduled completion time of a project is more than the earliest expected time for completion of the project, then the probability of completion of the project within the scheduled completion time will be
A 50 %
B Less than 50 %
C More than 50 %
D 100 %
The value of a computer is depreciated over five years for tax purposes (meaning that at the end of five years , the computer is worth $0). If a business paid $ 2,100 for a computer, how much will it have depreciated after 2 years?
A $840
B $ 1,050
C $ 820
D $ 420

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