Quantitative Aptitude - Arithmetic Ability Questions

Calculate the area (in cm2) of a circle of radius 17.5 cm.

What is the value of [(cos32θ + 3 cos 2θ)÷(cos6θ – sin6θ)]?

In the following question, select the odd number from the given alternatives.

The line passing through (-2,5) and (6,b) is perpendicular to the line 20x + 5y = 3. Find b?

If two successive discounts of 30% and 10% are given, then what will be the ratio of marked price to selling price?

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 by selling an article for Rs. 390 a shopkeeper gains 20% , then the cost is

The sum of the ages of husband and wife at present is 60. Four years ago the ratio of their ages was 7:6. What is the age of the husband?