Quantitative Aptitude - Arithmetic Ability Questions

What is the area (in sq cm) of a regular hexagon of side 9 cm?

If P = 22 + 62 + 102 + 142 + ... 942 and Q = 12 + 52 + 92 + ... 812, then what is the value of P – Q?

The slopes of two lines are 1 and √3. What is the angle between these two lines?

Select the odd number from the given alternatives.

What is the equation of the line whose y-intercept is -3 and makes an angle of 45° with the positive x-axis?

Two students appeared for an examination. One of them secured 22 marks more than the other and his marks were 55% of the sum of their marks. The marks obtained by them are _______.

In the following question, select the odd number group from the given alternatives.

If tan π/3c + cosec π/6c = x, then x is