Quantitative Aptitude - Arithmetic Ability Questions

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The angle of elevation of the top of a tower from a point A on the ground is 30°. On moving a distance of 20 metres towards the foot of the tower to a point B, the angle of elevation increases to 60°. The height of the tower in meters is

If 3(2 - 3x) < 2 - 3x ≥ 4x -6; then x can take which of the following values?

The height of a cone is 24 cm and the area of the base is 154 cm2 . What is the curved surface area (in cm2) of the cone?

Present age of R and S are in the ratio of 3 : 2 respectively. If the present age of H is 117 years and R’s present age is 4/13 of H’s present age, then after how many years the ages of R and S would be in the ratio of 15 : 11?

A spaceship travels at 1,260 km/h. How many metres does it travel in 1/10 th of a second?

If the volumes of two right circular cones are in the ratio 1:4 and their diameters of bases in the ratio 4:5, then their heights will be in the ratio:

If Sin θ = 20/29 , then what is the value of Sec Sin θ ?