Quantitative Aptitude - Arithmetic Ability Questions

At what point does the line 3x + y = -6 intercept the x-axis?

The line passing through (4,3) and (y,0) is parallel to the line passing through (­-1,-­2) and (3,0). Find y?

In a rectangle

Kaushik bought a toy for Rs. 160 and sold it for Rs. 180. The rate of profit was ___%.

Find the fraction which is as much greater than 4/7 as it is less than 5/6

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

The number of sides of a regular polygon whose exterior angles are each 72 deg is

The average age of a batch of 19 members is 24 years. If the age of the faculty be included, then the average increases by 4 months. What is the age of the faculty?