Quantitative Aptitude - Arithmetic Ability Questions

If x = 313- 3-13, then 3x3 + 9x value is

Rajesh buys a table of Rs 900 and sells it. Rajesh gives two successive discount of 10% and 20% to the customer. What will be the selling price (in Rs) of the table?

A train has to cover a distance of 900 km in 25 hours. What should be its average speed in meters/second?

A merchant marks the price of his articles 30% above the cost price. He gives some discount on it and earns a profit of 13.75%. What is the discount percentage?

A fan was sold for Rs. 3600 at a loss of 4%. What would be the gain or loss percent ifit was sold for Rs. 4200?

The sum of a fraction and 10 times its reciprocal is 37/4. What is the fraction?

30% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

If ab+ba=1,then the value of a3+b3 is