A can do a work in 20 days and B in 50 days. If they work on it together for 5 days, then what fraction of work is left?

When a number is divided by 192 the remainder is 54. What will be the remainder when the same number is divided by 16?

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 ratio of average number of students in Arts to the average number of students in Commerce is

Direction: Read the following table carefully and answer the following questions:

The female workers of five companies are how much percent more than the male workers of five companies?

Directions : Study the following pie chart carefully and answer the questions. The pie chart represents the percentage of people involved in various occupations.
Total number of people = 20000

The sectoral angle made by the people involved in service in the given pie-chart is

Find the value of the given expression.

$$ \sqrt { 20-{ \sqrt { 20- \sqrt { 20- \sqrt { 20- .....∞}}}}} $$

If x² + y² + z² = 2 (x + z – 1), then the value of : x³ + y³ + z³ = ?

Directions: The bar diagram given below shows the productions (in the unit of thousand pieces) of three types of biscuits by a company in the five consecutive years. Study the diagram and answer the following questions.

Total production of all the three types of biscuits was the least in the year