Quantitative Aptitude - Arithmetic Ability Questions

Dodecahedron has 20 vertices. How many edges does it have?

If secA = x, then the value of x is

A solid hemisphere has radius 14 cm. It is melted to form a cylinder such that the ratio of its curved surface area and total surface area is 2 : 3. What is the radius (in cm) of its base?

In the given figure, ABCD is a square of side 14 cm. E and F are mid points of sides AB and DC respectively. EPF is a semicircle whose diameter is EF. LMNO is a square . What is the area (in sq.cm) of the shaded region?

In what ratio is the segment joining (12,­1) and (-­3,4) divided by the Y­-axis?

The incomes of S and T are in the ratio 3 : 4 and their expenditures are in the ratio 1 : 1. If S saves Rs 4000 and T saves Rs 22000, then what will be the income (in Rs) of S?

In the following question, select the odd letter pair from the given alternatives.

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