Quantitative Aptitude - Arithmetic Ability Questions

In which of the following quadrilaterals both pairs of opposite sides are parallel?

The milk and water in two vessels are in the ratio of 3 : 1 and 7 : 11 respectively. In what ratio should the liquid in both the vessels be mixed to obtaina new mixture containing half milk and half water?

The ratio of selling price to the cost price is 13 : 17. What is the loss percentage?

On dividing 256a2b2c2 by 64a2, we get

If 310 × 272 = 92 × 3n then the value of n is

The length of the diagonal and the breadth of a rectangle are 25 cm and 7 cm respectively. Find its perimeter (in cm).

If 3 dupatta is offered free on purchase of 6 dupattas priced Rs 1200 each what is the effective discount on each dupatta?

In a class of 60 students there are 33 girls. The average weight of these girls is 62 Kg and average weight of the full class is 66.5 kg. What is the average weight of the boys of the class?