Quantitative Aptitude - Arithmetic Ability Questions

An angle is 30 deg more than one half of its complement. Find difference between the greater and the smaller angles.

If the circumference of a circle is 44 cm, then what must be its area (in cm²)?

U, V and W together can make a chair in 20 minutes. U and V together can make it in 25 minutes. How much time will (in minutes) W alone take to make the chair?

What is the time taken by a 180 m long train running at 54 kmph to cross a man standing on a platform?

Find the total surface area (in cm2) of a cuboid of length, breadth and height of 10.5 cm, 8 cm and 9 cm respectively.

The length of two parallel sides of a trapezium are 18 m and 24 m. If its height is 12 m, then what is the area (in sq.m) of the trapezium?

What is the slope of the line 2x + 3y = 12?

If P travelled the first half of a journey at 40 kmph and the the remaining distance at 50 kmph, what is the average speed of his travel?