Quantitative Aptitude - Arithmetic Ability Questions

What is the average of all numbers between 100 and 200 which are divisible by 13?

If A : B = 1 : 4 and B : C = 2 : 3, then what is A : B : C?

The ratio of the sides of a triangular shaped park is 3 : 4 : 5 and the perimeter of the park is 170 m. What is the perpendicular distance in meters from the vertex, opposite to the largest side of the park?

If a + b = 10 and ab = 21, then the value of (a - b)2 is

On dividing 8a2b2c2 by 4a2, we get

If (4x - 3) = (3x + 8), then the numerical value of(x + 1)3  is

If u : v = v : w, then what is the value of u4 : v4?

What is the area (in sq cm) of a circle whose circumference is 26.4 cm?