Quantitative Aptitude - Arithmetic Ability Questions

Solve the following equation to find x: (x − 2)2 − 36 = 0 : xεN

The marked price of an article is Rs 960 and it is sold at a discount of Rs 192. What is the discount percentage?

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

If  tan2A / (secA -­ 1)2 = x, then the value of x is

A boy running at 10/9 th of his actual speed covers 39 km in 2 hours 20 minutes and 24 seconds. Find the actual speed of the boy (approx.)

Solve 675.9995+(3.9989)2 = ? ÷ 16.9900865

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

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.