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
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
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
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
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 first step to the system study project is to
A define system performance criteria
B describe information needs
C staff for the study project
D announce the study project
E None of the above

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