Quantitative Aptitude - Arithmetic Ability Questions

If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take π = 22/7)

Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500 .The smallest numbers is

What is the third proportional to 9 and 15?

What is the reflection of the point (5, 3) in the line y = -2?

In an equilateral triangle ABC, G is the centroid. Each side of the triangle is 6 cm. The length of AG is

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

In the question, two equations I and II are given. You have to solve both the equations and give answer

$$\begin{gathered} x2-11x+28=0 \\ y2-18y+81=0 \end{gathered}$$

If compound interest received on a certain amount in the 3rd year is Rs. 1,240, what will be the compound interest (in Rs) for the 4th year on the same amount at 9% rate of interest?