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According to Lindeman’s law, during the transfer of organic food energy from one trophic level to the next higher level, only about 10 % of the transferred energy is stored and rest 90% is lost.
Anuj can complete a certain piece of work in 25 days by taking rest for 9 hours daily. If he rests twice as much as before and also works twice as fast...
The ratio of efficiencies of X and Y for doing a certain work is 5 ∶ 9. Working together, they can complete a work in 15 days. X alone will complete 6...
Amit and Chetan can complete a task individually in 30 days and 45 days, respectively. Amit begins the work alone, and after 'd' ...
A’ and ‘B’ together can complete a work in 10 days while ‘A’ takes 18 days to complete the same work alone. If ‘C’ is 25% more efficient t...
Ajay, Bjay, and Cheetna can individually finish a task in 20, 24, and 30 days, respectively. They began working together, but Ajay left the task 10 days...
‘P’ and ‘Q’ together can complete an analysis in 40 days, while ‘Q’ and ‘R’ together can complete the same analysis in 30 days. ‘P’ ...
‘A’ and ‘B’ can complete a certain work in 20 days and 10 days, respectively. They started working together and worked till completion of the wo...
Choose the statements that correctly show two workers taking 6 hours and 9 hours to complete a task, respectively.
"'Mahesh' is 40% less efficient than 'Neeraj.' 'Neeraj' takes 30 days fewer than 'Mahesh' to finish the same work. Find the time taken by 'Neeraj' to fi...
"A" and "B" together can complete a task in 16 days. Additionally, "B" alone is able to complete 40% of the task in 16 days. Based on this information, ...