Quantitative Aptitude - Arithmetic Ability Questions

1/3 part of a certain journey is covered with the speed of 25 km/hr, 1/2 part of the journey is covered with the speed of 45 km/hr and the remaining part covered with the speed of 37.5 km/hr. What is the average speed (in km/hr) for the whole journey?

The mean of the data 1, 2, 10, 18, 3, 17, 19 is

In triangle PQR, A is the point of intersection of all the altitudes and B is the point of intersection of all the angle bisectors of the triangle. If ∠PBR =105°, then what is the value of ∠PAR (in degrees)?

What is the area (in sq cm) of a regular hexagon of side 9 cm?

The measures of the four angles of a quadilateral are in the ratio 3:4:5:6. What is the measure of the biggest angle?

What is the area (in sq cm) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

In what ratio is the segment joining the points (2,5) and (­6,­10) divided by the y­axis?

Select the odd word/letters/number/number pair from the given alternatives.