Quantitative Aptitude - Arithmetic Ability Questions

Which of the following quadratic equations has equal roots?

The figure shown below consists of the tangents at the extremeties of any chord. Choose the correct option given below.

When a number is increased by 42, it becomes 121% of itself. What is the number?

Select the odd number from the given alternatives.

Three triangles are marked out of a bigger triangle at the three vertices such that each side of each of the smaller triangles is one-fourth as long as each corresponding side of the bigger triangle. The ratio of the area of the three small triangles taken together to that of the rest of the bigger triangle is

The length of the diagonal and the breadth of a rectangle is 13 cm and 5 cm respectively. Calculate its area (in cm²).

What is the average of first 19 odd numbers?

If the areas of two similar triangle are in the ratio 5 : 7, then what is the ratio of the corresponding sides of these two triangles?