Quantitative Aptitude - Arithmetic Ability Questions

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

When Gopal walks from A to B and returns from B to A on cycle, then it takes him 46 minutes. By walking both ways, it takes him 75 minutes. If he rides cycle both ways then what will be the total time (in minutes)?

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

A can do a work in 24 days and B in 40 days. If they work on it together for 10 days, then what fraction of work is left?

A sells vegetables at a profit of 35% and for weighing uses a weight which is 10% less than the article weight. What is total profit percentage?

Which of the following numbers is a perfect square?

If Cos θ = 5/13, then Cosec θ = ?

If A and B are the roots of the equation Ax2 – A2x + AB = 0, then what is the value of A and B respectively?