Quantitative Aptitude - Arithmetic Ability Questions

If the shopkeeper sells an item at Rs 450 which is marked as Rs 600, then what is the discount he is offering?

Area of 4 walls of a cuboid 400 sq cm, its length is 15 cm and height is 8 cm. What is its breadth (in cm)?

What is the simplified value of 12-13 ?

The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is

Rs. x invested at 8% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 7.5% simple interest per annum for 6years. Find x : y.

R and S started a business by investing Rs 165000 and Rs 195000 respectively for the same period of time. If R’s share in the profit earned by them is Rs 11000, then what is the total profit (in Rs) earned by both of them together?

If the length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively, then find its perimeter

Find the least number which must be subtracted from 18265 to make it a perfect square