Quantitative Aptitude - Arithmetic Ability Questions

AB and AC are the two tangents to a circle whose radius is 6 cm. If ∠BAC = 60 deg, then what is the value (in cm) of √(AB2 + AC2)?

Starting with 8000 workers, the company increases the number of workers by 5%, 10% and 20% at the end of first, second and third year respectively. The number of workers in the fourth yearwas

If a3- b3= 91 and a - b = 1, then what is the value of ab?

If x+19x=4, then 9x2+19x2 is

The marked price of a sofa set is Rs 4800 which is sold at Rs 3672 at two successive discounts. If the first discount is 10%, then what will be the second discount (in %)?

The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 6√3 sq cm, what is the area of the equilateral triangle?

If the simple interest on Rs. 1 for 1 month is 1 paisa, then the rate percent per annum will be

If 2x+4-2x+2=3, then the value of x?