Quantitative Aptitude - Arithmetic Ability Questions

The difference between cost price and selling price is Rs 12.54. If loss percentage is 33%, then what is the cost price (in Rs)?

Area of 4 walls of a cuboid is 448 sq cm, its length is 18 cm and height is 8 cm. What is its breadth (in cm)?

Find k, if the line 4x - y = 1 is perpendicular to the line 5x - ky = 2?

If 2x+4-2x+2=3, then the value of x?

If 2x+29x = 4, then the value of 27x3+127x3

10% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

Select the odd word/letters/number/number pair from the given alternatives.

20% discount is offered on an item. By applying a promo code the customer wins 15% cash back. What is the effective discount?