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
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 %
A cost was sold for Tk. 75 . The cost was sold for 150% of the cost of the cost. How much did the coat cost ?
A Tk. 150
B Tk. 45
C TK. 50
D TK. 60
When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress occurs at a section inclined at _________ to the normal of the section.
A 0°
B 30°
C 45°
D 90°
When a body is subjected to a direct tensile stress ($$\sigma $$) in one plane, then normal stress on an oblique section of the body inclined at an angle $$\theta $$ to the normal of the section is
A $$\sigma \cos \theta $$
B $$\sigma {\cos ^2}\theta $$
C $$\sigma \sin\theta $$
D $$\sigma {\sin ^2}\theta $$
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
The correct combination of the following groups of sentences.. We must respect live in society We must learn to live in peace. we must respect other's life. We must respect other's property” would be........
A As we live in SOCiety, to respect each other's life and property.
B We live in society to respect peace, life and property.
C In society, we must live to respect other's life and property.
D Our life must be ]peaceful to espect other's property and life.
A point B on a rigid link AB moves with respect to A with angular velocity $$\omega $$ rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)
A vBA × AB
B $$\frac{{{\text{vBA}}}}{{{\text{AB}}}}$$
C v2BA
D $$\frac{{{{\text{v}}^2}{\text{BA}}}}{{{\text{AB}}}}$$

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