Quantitative Aptitude - Arithmetic Ability Questions

For an article the profit is 190% of the cost price. If the cost price increase by 10% but the selling price remains same, then profit is what percentage of selling price (approximately)?

To cover a distance of 234 km in 1.6 hours what should be the average speed of the car in meters/second?

If the selling price of an item is Rs 1000 after getting a discount of 20%, then what was the marked price (in Rs)?

A boat moves down stream at the rate of 8km/hr. and upstream at 4Km/hr. The speed of the boat in still waters is:

The area of a rectangle in 60 sq.cm and its perimeter is 34 cm, then the length of the diagonal is

What approximate value should come in place of the question mark (?) in the following questions? (You are not expected to calculate the exact value.)

21.003 × 39.998 –209.91 = 126× ?

What is the value of (-7776)25

Three categories of employees get wages in the ratio of 1 : 2 : 3. If they get increments of 5%, 10% and 15% respectively, what will be the new ratio of their wages?