Quantitative Aptitude - Arithmetic Ability Questions

If (x - 4) (x2 + 4x + 16) = x3 - P, then P is equal to

If the perimeter of a semicircle is 108 cm, then find its area (in cm²).

The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?

If √[(1 + cosA)/2] = x, then find the value of x.

199994 x 200006 = ?

ABCD is a parallelogram. Co-ordinates of A, B and C are (5,0), (-2,3) and (-1,4) respectively. What will be the equation of line AD?

The sum of three numbers is 67. If the ratio of the first number to the second number is 3 : 5 and that of the second number to the third number is 4 : 7, then what is the second number ?

A dealer allows a discount of 15%. A customer pays an amount of Rs. 318.75 for an article. At what price is the article listed?