Quantitative Aptitude - Arithmetic Ability Questions

If the length of the side of an equilateral triangle is 8 cm, what is its area?

What is the angle between centripetal acceleration and tangential acceleration?

Select the odd word/letters/number/number pair from the given alternatives.

What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

If a:b = 3:8, find the value of (5a ­ 3b)/(2a + b).

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

What is the value of the expression a3 - 5 + 2816a, when a = 2?

The points A(3,­-2), B(1,4) and C(­-2,x) are collinear. What is the value of x?