Quantitative Aptitude - Arithmetic Ability Questions

The angle of elevation of the top of a tower at a distance of 25 m from its foot is 60 deg. The approximate height of the tower is

What will come in the place of the question mark (?) in the following number series?305, 338, 404, 503, 635 , (?)

If tan θ + sec θ = (x – 2)/(x + 2), then what is the value of cos θ?

If a regular polygon has 10 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?

An arc of 30° in one circle is double an arc in a second circle, the radius of which is three times the radius of the first. Then the angles subtended by the arc of the second circle at its centre is

The volume of a cuboid is 320 cubic cm. Find its total surface area if its length and breadth are 10 cm and 8 cm respectively?

If triangle ABC = triangle XYZ and angle BAC = 55 deg, then angle ZXY = ?

ΔABC is a right angled triangle, the radius of its circumcircle is 3 cm and the length of its altitude drawn from the opposite vertex to the hypotenuse is 2 cm. Then the area of the triangle is