Quantitative Aptitude - Arithmetic Ability Questions

If 27N4 is divisible by 11, then what is the value of N?

9 women can complete a work in 50 days. If more 6 women were added to them, how many days before the work can be completed?

A superfast Duronto express running at 90 kmph overtakes a bike running at 36 kmph in 25 seconds. What is the length of the train in meters?

Point Q(-1,b) is the midpoint of segment EF. Co-ordinates of point E are (-4,a) and point F are (2,0). What is the value of a and b?

Choose the word is least like the other words in the group

If the salary of Manoj is 40% less than that of Subhash, then by how much percentage is the salary of Subhash more than that of Manoj?

If a+1b= b+1c = c+1a (a , b, c are not equal) then the value of abc = 

If 1/√(1+tan2A) = x, then value of x is