Quantitative Aptitude - Arithmetic Ability Questions

The average age of 30 boys in a class is 10 years. If the age of their teacher is also included, the average increases by one year. The teacher's age in years is

The simplification value of 735+2-552+7+227+5 is

Two students appeared for an examination. One of them secured 26 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.

If 2+x+2-x2+x-2-x=2,then the value of X is

Find out the odd word/letters/number/number pair from the given alternatives.

Factorise x2 + 3x -­ 18

What is the slope of the line parallel to the line passing through the points (-2, -1) and (4, -3)?