Quantitative Aptitude - Arithmetic Ability Questions

In a motor of 120 machine parts, 5% parts were defective. In another motor of 80 machine parts, 10% parts were defective. For the two motors considered together, the percentage of defective machine parts were

­ If the selling price of an item is Rs 1150 after getting a discount of 8%, what is its marked price?

If x/3 - [5(7x/5 - 4/3)]/2 = -x/6, then what is the value of x?

If tanθ = 43, then the value of 3sinθ+2cosθ3sinθ-2cosθ ?

A merchant changed his trade discount from 25% to 15%. This would increase selling price by

The perimeter and the length of one of the diagonals of a rhombus is 34 cm and 8 cm respectively. Find the length of its other diagonal (in cm).

In the given figure, AB, AE, EF, FG and GB are semicircles. AB = 56 cm and AE = EF = FG = GB. What is the area (in sq.cm) of the shaded region?

To cover a distance of 90 km in 2.5 hours what should be the average speed of the car in meters/second?