Quantitative Aptitude - Arithmetic Ability Questions

If an equilateral triangle has side 12 cm, then what is the difference (in cm) between the circumradius and inradius?

If a cylinder of radius 7 cm and height 9 cm is melted and constructed into a cone of the same radius, what will be the height of this cone?

What will be the quotient when 2143 is divided by 38?

When a number is increased by 34, it becomes 117% of itself. What is the number?

The upper part of a tree broken over by the wind make an angle of 60 deg with the ground. The distance between the root and the point where top of the tree touches the ground is 25 metres. What was the height (in metres) of the tree?

If 3(2 - 3x) < 2 - 3x ≥ 4x -6; then x can take which of the following values?

X attempts 94 questions and gets 141 marks. If for every correct answer 4 marks is given, and for every wrong answer 1 mark is deducted, then the number of questions wrongly answered by X is __.

What is the slope of the line parallel to the line passing through the points (-­4,­-6) and (2,­-3)?