The pie-chart shows the percentage of literate and illiterate male and female in a state. Study the diagram and answer the following questions.

The difference of central angles corresponding to illiterate male and illiterate female is

The pie-chart shows the percentage of literate and illiterate male and female in a state. Study the diagram and answer the following questions.

If the total number is 35000, then the difference between the numbers of literate male and literate female is

The angle of elevation of the top of a pillar from the foot and the top of a building 20 m high, are 60° and 30° respectively. The height of the pillar is

A cylinderical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of the conical heap is 24 cm, what is the radius of its base

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

In ΔABC, ∠B = 70°and ∠C = 60°. The internal bisectors of the two smallest angles of ΔABC meet at O. The angle so formed at O is