Quantitative Aptitude - Arithmetic Ability Questions

In what ratio does the point T(x,0) divide the segment joining the points S(-4,-1) and U(1,4)?

Which one of the following combination of measurements can form the sides of a triangle?

The measures of the four angles of a quadrilateral are in the ratio 1:2:4:5. What is the measure of the biggest angle?

Find the total surface area (in cm2) of a right circular cone of diameter 21 cm and slant height 11 cm.

The average of 10 numbers is 30. If at the time of calculation one number was wrongly taken as 36 instead of 69, then what will be the correct average?

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

The slope of the line passing through the points (2,-1) and (x,5) is -1. Find x?

A boat is moving away from an observation tower. It makes an angle of depression of 60° with an observer's eye when at a distance of 50m from the tower. After 8 sec., the angle of depression becomes 30°. By assuming that it is running in still water, the approximate speed of the boat is