Who coined the term 'protoplasm'?
Dujardin in 1835 discovered protoplasm but in 1839 it was J.E. Purkinje who coined the word protoplasm. Protoplasm is the colourless material comprising of all the living components of the cell.
‘A’ can do a piece of work in 10 days. ‘B’ can do 70% of the same work in 20 days. If they work together for the entire time and get paid Rs.108...
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...
Ratio of the work done by P, Q and R in one day is 6:4:7 respectively. They all together can complete the work in 45 days. Q and R worked on it for 27 d...
Akhil and Nikhil together can complete a work in 12 days while Nikhil alone takes 18 days to complete 30% of the work. If the efficiency of Sachin is 25...
Ashish and Anil can do a piece of work in 20 days and 28 days respectively. Ashish completed 75% of the work. Find the time taken by Anil to complete th...
‘M’ is 60% more efficient than ‘N’. ‘N’ started the work alone and worked for 20 days and after that ‘N’ is replaced by ‘M’. If the ...
How can we determine the value of x, given that (x+8) workers, working 9 hours a day, can finish 60% of a task in 12 days, and (x+2) workers, working 3 ...
Anita started working and left after 3 days and aftere that Binita started the rest work and finished it in another 5 days. Had Anita left the work afte...
A does 1/2 work and B does 3/4 work in the same time. Difference between number of days taken by A and B to work alone to complete the work individually...
28 men can complete a work in 20 days. 40 women can complete the same work in 28 days. 20 men and 12 women started working and after 16 days, 20 more wo...
