Quantitative Aptitude - Arithmetic Ability Questions

If cosA = x, then x is

If cot(A/2) = x, then the value of x is

Two whole numbers are such that the square of first number exceeds the second by 112 and the ratio of the numbers is 4:3. What is thevalue of smaller number?

The four sides of a quadrilateral are in the ratio of 2:3:4:5 and its perimeter is 280m. The length of the longest side is

If [2(4x/5 - 3/4)]/3 - 5/3 = -1/6, then the value of x is?

After allowing a discount of 20% on Marked price Kishore makes a profit of 12%. What percentage is the Marked price above the Cost price?

In a test, Charan secured 54 marks that was also equivalent to obtaining 72% marks. How many marks was the test out of?

What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?