Quantitative Aptitude - Arithmetic Ability Questions

What approximate value should come in place of the question mark (?) in the following equation (Note: You are not expected to calculate the exact value)?(55.01+16.0003)×22.01÷10.998 =?

What is the slope of the line, perpendicular to the line 3x - 6y = 4?

If cot(A/2) = x, 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?

What is the value of tan 1° tan 2° tan 3°....... tan 89°?

The sum of a non-zero number and its reciprocal is 2. What is the number?

If √(sec2A - 1)/secA = x, then the value of x is

sec2Acosec2A is equal to