if  $${5x-{5\over x}+6=0}$$, then $$x^2+{1\over x^2}$$ is

Directions: Student’s strength of a college in Arts, Science and Commerce from 2004-05 to 2007- 08 sessions are shown in the following bar graph. Study the graph and answer the questions

The % increase in science students in 2007-08 over 2006-07 was

4% of the selling price of an article is equal to 5% of its cost price. Again 20% of the selling price is Rs. 120 more than 22% of its cost price. The ratio of cost price & selling price is 

The average age of a husband and wife, who were married 4 years ago, was 25 years at the time of their marriage. The average age of the family consisting of husband, wife and a child, born during the interval is 20 years today. The age of the child is:

Directions : The bar graph, given here, shows the demand and production of colour televisions of five companies for Diwali season in the year 2009. Study the graph carefully and answer the questions based on the graph.

The production of colour televisions of company D is how many times that of company A ?

If△ABC ∼ △EDF such that AB = 6 cm, DF = 16 cm and DE = 8 cm, then the length of BC is:

Directions: Degree- wise breakup of employees working in various department of an organisation and the ratio to men to women.

Respective ratio of men to women in each department

The number of men working in the IT department of the Organisation is approximately what percent of the total number of employees working in that department?

Directions : The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.

In which census year, the per cent increase in population is highest as compared to that in the previous census year?