Quantitative Aptitude - Arithmetic Ability Questions

What is the difference (in Rs) between the compound interests on Rs. 4000 for 1 year at 12% per annum compounded yearly and half-yearly?

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

874.96 + 94.0091 × 34.98 –1244.98 = ?

A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?

The shopkeepers announce the same price of Rs. 700 for a sewing machine. The first offers successive discounts of 30% and 6% while the second offers successive discounts of 20% and 16%. The difference in their selling price is

A dishonest shopkeeper professes to sell goods at his cost price but uses a false weight of 950 gms, for each kilogram. His gain percentage is

The marked price of an article is 60% more than its cost price. If the article is sold for Rs 300 after offering a discount of Rs 20, then what will be the profit percentage?