Quantitative Aptitude - Arithmetic Ability Questions

A shopkeeper marks up his wares by 125% and offers 25% discount. What will be the selling price if the cost price (in Rs) is Rs 640?

Simple interest on a sum for eight months at 6% per annum is Rs 340.What is the value (in Rs) of sum?

The difference between the simple interest obtained by investing Rs. 'X' with 8% per annum for an year and by investing Rs. 'X+1400' with 8% per annum for two years is 240 Rs. Find the value of X.

The marked price of a chair is Rs 550 and a discount of 20% is given on it. What is the selling price (in Rs)?

The LCM and HCF of two numbers are 4284 and 32, respectively. If one of the numbers is 672, then the second number is;

If Cosec θ = 25/7 , then what is the value of Cot θ?

To travel 672 km, an Express train takes 14 hours more than Rajdhani. If however, the speed of the Express train is doubled, it takes 8 hours less than Rajdhani. The speed of Rajdhani is

If the edge of a cube is increased by 3 cm, the volume will increase by 657 cub.cm. What then is the original length of each edge of the cube?