Quantitative Aptitude - Arithmetic Ability Questions

Two mixtures have milk and water in the ratio 1 : 4 and 3 : 2 respectively. In what ratio two types of mixtures have to be mixed to get a new mixture having ratio of milk and water as 1 : 1?

The line passing through (­3,4) and (0,3) is perpendicular to the line passing through (5,7) and (4,x). What is the value of x?

Which of the following triangle has the maximum area when inscribed inside the circle of same radius?

If (6x ­- 5) = (4x + 7), then the numerical value of (x + 1)3  is

The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 12 sq cm, what is the area of the equilateral triangle?

The rate of simple interest for which a sum of money becomes 5 times in 8 years is

If sum of the roots of a quadratic equation is ­-7 and product of the roots is 12. Find the quadratic equation.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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 options.