Quantitative Aptitude - Arithmetic Ability Questions

A solid brass sphere of radius 2.1 dm is converted into a right circular cylindrical rod of length 7cm. The ratio of total surface areas of the rod to the sphere is

A man travelled at 40 kmph. Had he increased his speed by 16 kmph, he would have covered 80 km more in the same time. Find the actual distance travelled?

Munni can bake 70 cakes in 7 hours, Munni and Guddi together can bake 90 cakes in 6 hours. How many cakes Guddi can bake in 10 hours?

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

If curved surface area of a cylinder is 616 sq cm and height is 14 cm, find its radius?

If the perimeter of a semi-circle is 36 cm, then find its radius (in cm).

If secθ = cosecq with 0° < θ , q < 90°, then the value of sin (θ + q) is

In ∆DEF measure of angle E is 90°. If secD = 25/7, and DE = 1.4cm, then what is the length (in cm) of side DF?