Quantitative Aptitude - Arithmetic Ability Questions

Which of the following numbers is not a prime number?

If O is the centre of a circle of radius 5 cm. At a distance of 13 cm from O, a point P is taken. From this point, two tangents PQ and PR are drawn to the circle. Then , the area of quadrilateral PQOR is

The diagonals do not form at least two congruent triangles in a _____.

What is the diameter (in cm) of a sphere of surface area 154 sq cm?

Radius of cross section of a solid right circular cylindrical rod is 3.2 dm. The rod is melted and 44 equal solid cubes of side 8 cm are formed. The length of the rod is (Take Π = 22/7)

Find equation of the perpendicular bisector of segment joining the points (2,-5) and (0,7)?

A student, by mistake, wrote 64 in place of 46 as a number at the time of finding the average of 10 given numbers & got the average as 50. The correct average of the numbers is

What will be the average of all the prime numbers before 19?