Quantitative Aptitude - Arithmetic Ability Questions

In the given Pie-chart, the comparative study of the production of Rice, Wheat, Sugar and Tea of a country is given. Study the Pie-Chart and answer the following questions.

From this diagram, the ratio of sum of wheat and sugar production to difference in production of rice and tea is

The average age of 27 students of a class is 22. If the age of the teacher is also added to their ages, then the average increases by one. Find the age of the teacher.

What least number must be added to 213, so that the sum is completely divisible by 9?

Select the odd word/letters/number/number pair from the given alternatives.

If (6 ­- 18x) -­ (x ­- 7) = 8, then the value of x is ______.

If the two lines px + 6y+3=0 and 2x + qy+3=0 have infinite solutions then find the value of p and q respectively.

If 3√7 + √343 = 19.21, then find the value of √252 + 20√7.