Which of the following elements has the highest thermal conductivity of any element and the highest light reflectance?
The correct answer is D
‘A’ alone can complete a work in 50 days while ‘A’ and ‘B’ together can complete the same work in 20 days. How much percentage of the work, ...
‘X’ and ‘Y’ together can complete a work in 16 days, while ‘Y’ and ‘Z’ together can complete the work in 10 days. If ‘Y’ takes 20 da...
P can do a piece of work in 15 days, Q can complete double the work in 60 days and R can do the work in 40 days. If all of them together earn Rs. 3000, ...
A and B can do a work in 24 days and 32 days, respectively. If A works on it for ‘x’ days and B works on it for ‘x – 1’ days, then one-third o...
A team leader can do a job as fast as three members of the team working together. If one of the members can do the job in 5 hrs, the second one takes 10...
28 typists working 5 hours per day can complete a typing job in 18 days. ____ typists working _____ hours per day can complete (5/6)th part of the work ...
A alone can do a piece work in 15 days and the time taken by A alone is 50% more than the time taken by B. They started work together alternatively star...
A, B and C alone can complete a work in 24, 48 and 32 days respectively. All of them started working together but after 2 days from start A left the job...
Ajay started a work and left working after 8 days. Vijay finished the remaining work in next 36 days. Had Ajay left the work after working for 12 days t...
A person travelled for the first 150 km at a certain speed in 6 hours. After that, the speed of the person decreased by 6 km/h. If the person took a tot...