Quantitative Aptitude - Arithmetic Ability Questions

ΔABC is an equilateral triangle and D, E are midpoints of AB and BC respectively. Then the area of ΔABC : the area of the trapezium ADEC is

The difference between compound interest and simple interest on Rs. 5000 for 2 years at 8% per annum payable yearly is

An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?

When a discount of 25% is given on a box of popcorn, the profit is 25%. If the discount is 10%, then the profit is

The total cost of a microwave oven with mixer was Rs 36750. The mixer was sold at a profit of 32% and the microwave oven at a loss of 22%. If the sale price was the same in both the items, then the cost price of the cheaper item was _____.

Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work?

In the given figure, PQ = 30, RS = 24 and OM = 12, then what is the value of ON?

What is the area (in sq cm) of a rectangle if its diagonal is 51 cm and one of its sides is 24 cm?