Quantitative Aptitude - Arithmetic Ability Questions

A defective piece of article which costs Rs. 1200 is being sold at a loss of 15%. If the price is further reduced by 5%, find the S.P?

Coefficient of x2 in (x + 7)(5 - 3x)(3x - 6) is

If x - y = -8 and xy = 45, then (x2 + y2) is

2 ­- (cosA + sinA)2 is equal to

The compound interest on Rs. 1000 at 10% per annum for 3 years in (Rs.) is

A boat cover row 12 km upstream in 4 hours and can cover the same distance downstream in 3 hours. What is the speed (in km/hr) of the boat in still water?

Two smaller circles touch a large circle internally and pass through the center O of the larger circle. If the diameter of the bigger circle is 28 cm, thenwhat is the area of the bigger circle which is not enclosed by the two smaller circles (in sq.cm)?

The value of -3+3+87+43 is