Quantitative Aptitude - Arithmetic Ability Questions

What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?

If there are four lines in a plane, then what cannot be the number of points of intersection of these lines?

Two chords AB and CD of a circle with centre O intersect at P. If ∠APC = 40°. Then the value of ∠AOC + ∠BOD is

If x2 + ax + b, when divided by x - 3, leaves a remainder of 22 and x2 + bx +a, when divide by x - 3, leaves a remainder of 24, then a + b = ?

Fraction that lies between 2/5 and 4/9 is

One pipe can fill an empty cistern in 4 hours while another can drain the cistern when full in 10 hours. Both the pipes were turned on when the cistern was half-empty. How long will it take for the cistern to be full?

What is the value of (tan45° + 1/√2) ?

What will be the equation of the perpendicular bisector of segment joining the points (5,­3) and (0,2)?