Quantitative Aptitude - Arithmetic Ability Questions

On dividing 8a2b2c2 by 4a2, we get

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

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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

If (4x - 3) - (2x + 1) = 4, then the value of x is

What is the value of 23+5252-23 ?