Quantitative Aptitude - Arithmetic Ability Questions

If 3A = 7B = 13C, then A : B : C is equal to

Point A divides segment BC in the ratio 1:3. Co-ordinates of B are (4,-4) and C are (0,6). What are the co-ordinates of point A?

Find the radius of the circle if the area of its sector is 30.8 sq cm whose corresponding central angle is 72°?

The population of a town is 200000. It increases annually at the rate of 10%. What will be the population after 2 years?

A right triangular pyramid XYZB is cut from cube as shown in figure. The side of cube is 16 cm. X, Y and Z are mid points of the edges of the cube. What is the total surface area (in sq.cm) of the pyramid?

Ravi has a roadmap with a scale of 1.5 cm for 18 km. He drives on that road for 72 km. What would be his distance covered in that map.

If on a Sale there is 30% discount on the marked price of Rs 2500, but the sale is done at Rs 1400 only. What additional discount (in %) did the customer get?

If θ is positive acute angle and 4sin2θ = 3, then the value of tan θ - cot θ/2 is