Quantitative Aptitude - Arithmetic Ability Questions

In what ratio is the segment joining points (2, 3) and (-2, 1) divided by the Y-axis?

The radii of two concentric circles are 68 cm and 22 cm. The area of the closed figure bounded by the boundaries of the circles is

A ladder 20 m long is leaning against a vertical wall. It makes an angle of 30 deg with the ground. How high on the wall does the ladder reach?

Simplify 437bxaz / 23ab.

Anuj runs 1 2/3 laps of 7 laps race, find the remaining laps to be run.

If 3.5x = 0.07y, then find the result of [y-x / y+x]

Find the unit digit in the given product (4211)102 x (361)52.

Select the odd letters from the given alternatives.