Quantitative Aptitude - Arithmetic Ability Questions

If 35% of A is equal to 60% of B, then what is the ratio of A and B?

The circumferences of two circles are touching externally. The distance between their centres is 12 cm. The radius of one circle is 7 cm. Find the diameter(in cm) of the other circle.

In a school 60% of the students are girls. If number of boys is 480, then what is the total number of students in the school?

The perimeters of a square and an equilateral triangle are equal. If the diagonal of the square is 9 cm, what is the area of the equilateral triangle?

2cos[(C+D)/2]sin[(C-D)/2] is equal to

A line passing through the origin perpendicularly cuts the line 3x - 2y = 6 at point M. Find M?

A mobile plan costs Rs. 32 for 6 minutes. What is the approximate cost, in rupees, for 4 minutes?

The length of diagonal of a square is 9√2 cm. The square is reshaped to form a triangle. What is the area (in sq.cm) of largest in circle that can be formed in that triangle?