Am can complete the work in 10 hours, ajit in 12 hours and suresh in 15 hours. all of them began the work together, but ram had to leave the work after 2 hours of the start and ajit left 3 hours before the completion of the work. how long did the work last?

What is the smallest integer n such that n\sqrt{2} is greater than 20

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Powerful women's group has claimed that men and women differ in attitudes about sexual discrimination. a group of 50 men (group 1) and 40 women (group 2) were asked if they thought sexual discrimination is a problem in the united states. of those sampled, 11 of the men and 19 of the women did believe that sexual discrimination is a problem. if the p-value turns out to be 0.035 (which is not the real value in this data set), then at = 0.05, you should fail to reject h0. at = 0.04, you should reject h0. at = 0.03, you should reject h0. none of these would be a correct statement.