Quantitative Aptitude - Arithmetic Ability Questions

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

By which least number should 5000 be divided so that it becomes a perfect square?

The largest 5 digit number exactly divisible by 84 is:

What is the value of 5/9 + 7/8?

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

Find the difference between place value and face value of 7 in 589573212.

If rsin∅ =1, rcos∅=√3, then the value of r2tan∅ is

What is the quotient when 7251 is divided by 66?