Quantitative Aptitude - Arithmetic Ability Questions

What is the measure of an exterior angle of a regular polygon of 10 sides?

In a class of 56 students there are 28 girls. The average weight of these girls is 46 kg and average weight of the full class is 51 kgs. What is the average weight of the boys of the class?

Iftan 450=cot∅, then the value of ∅, in radians is 

Which of the following ratios can be the ratio of the sides of a right angled triangle?

If a triangle has its orthocenter and centroid of equal length, then which of the following is TRUE about the triangle?

Which of the following is a reductible fraction?

If x=2+3,then the value of x2-x+1x2+x+1 is

In a circle with centre O, AB is a diameter and CD is a chord which is equal to the radius OC. AC and BD are extended in such a way that they intersect each other at a point P, exterior to the circle. The measure of ∠APB is