Quantitative Aptitude - Arithmetic Ability Questions

A batsman in his 12th innings makes a score of 120, and thereby increase his average by 5. The average score after 12th innings is

If a+1a2=3,then the value of a2+1a2 will be

The value of x for which the expressions 7x + 13 and 13x - 7 become equal is _____

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?

In a circle, two arcs of unequal length subtend angles in the ratio 5:3. If the smaller angle is 45° then the measure of other angle in degrees.

If a:b = 3:8, find the value of (5a ­ 3b)/(2a + b).

What is the value of √2 Sec 45 - Tan 30?