Quantitative Aptitude - Arithmetic Ability Questions

In an alloy of German silver the ratio of copper to zinc was 17:7 while that of nickel to zinc was 4 :3. The ratio of copper to zinc to nickel in the alloy was

Sec 45% + Tan 30% =

Which of the following equations has real and distinct roots?

The line passing through (­3,4) and (0,3) is perpendicular to the line passing through (5,7) and (4,x). What is the value of x?

A cricketer, whose bowling average was 12.4 runs/wicket takes 5 wickets for 22 runs in a match, thereby decreases his average by 0.4. The number of wickets, taken by him before this match was:

What is that least number that must be added to the product 684 × 686 to make it a perfect square?

What will be the sum of the measures all the interior angles of a polygon having 14 sides?

Find the greatest number among 213, 312, 1, 516