Quantitative Aptitude - Arithmetic Ability Questions

What is the sum of the measures of all the interior angles of a regular polygon of 6 sides?

The value of cos0 deg is

In ΔPQR measure of angle Q is 90 deg. If cotP = 8/15, and PQ = 4cm, then what is the length (in cm) of side PR?

 In a fraction when 3 is added to its numerator and denominator it becomes 4/5. And it becomes 1/2 when 2 is subtracted from both the numerator and denominator. Find the fraction.

Consider the following figure shown below and choose which of the following equation is correct about the similarity of both triangles?

The length of shadow of a tower is √3 times that of its length. The angle of elevation of the sun is

10 dozen apples, 15 dozen mangoes & 20 dozen oranges are kept for sale. 1/2, 1/3rd & 1/4th of each item respectively have been added. What is the total number of fruits kept for sale now?

The smallest number by which 1875 must be divided to obtain a perfect square is