Quantitative Aptitude - Arithmetic Ability Questions

The difference between the greatest and least five­ digit numbers formed by the digits 2,5,0,6,8 is (repetition of digits are not allowed)

How many kilometers are there in one metre?

If 9x = 24311, then what is the value of x?

What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)

The area of a semicircle is 1925 cm2. Calculate its perimeter (in cm).

The tangents drawn at points A and B of a circle with centre O, meet at P. If ∠AOB = 120° and AP = 6 cm, then what is the area of triangle (in cm2) APB?

What is the equation of the line perpendicular to the line 2x + 3y= -6 and having Y-intercept 3?

The circumference of a circle is equal to the perimeter of an equilateral Δ. If the radius of the circle is 14 cm what is the length of the side of the equilateral Δ?