Quantitative Aptitude - Arithmetic Ability Questions

What will be the roots of the quadratic equation x2 - 25x + 156 = 0?

The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?

If the amount received at the end of 2nd and 3rd year at compound interest on a certain Principal is Rs 30250, and Rs 33275 respectively, what is the rate of interest?

The price of an article is discounted by 25%, to restore to its original value, the new price must be increased by

Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?

An angle is smaller than its supplementary angle by 70°. What is the measure of the angle?

What is the measure of an interior angle of a regular polygon of 10 sides?

The value of ds+t÷ds÷dt