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
When a bar of length '$$l$$' and diameter 'd' is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where w = Weight per unit volume of the bar)
A $$\frac{{{\text{w}}l}}{{2{\text{E}}}}$$
B $$\frac{{{\text{w}}{l^2}}}{{2{\text{E}}}}$$
C $$\frac{{{\text{w}}{l^3}}}{{2{\text{E}}}}$$
D $$\frac{{{\text{w}}{l^4}}}{{2{\text{E}}}}$$
Bar charts are suitable for
A Minor works
B Major works
C Large projects
D All of the above
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 %
When heated an iron bar expands 0.2% . If the increased length is 1cm , what is the original length of the bar ?
A 500cm
B 5cm
C 0.97cm
D 1.97cm
20°C  তাপমাত্রায় ও 1.5 bar চাপে একটি গ্যাস     0.1m3 আয়তন দখল করে। যদি গ্যাসের চাপ 7.5 bar এ সঙ্কুচিত করার ফলে   0.04m3    আয়তন দখল করে, তবে গ্যাসের শেষ তাপমাত্রা বাহির কর।
A    293°C  
B 313°C    
C     586°C 
D       213°C     
If a load W is applied instantaneously on a bar; Then the stress induced in bar will
A Be independent of ratio of mass of load W to mass of bar (y)
B Increase with increase in y
C Decrease with decrease in y
D Depend on other considerations

Next steps