Exams

If a--b = 4 and ab = 45, find the value of a3 - b3

A survey was conducted to find what genre of movies people liked the most. 1200 people answered the survey. The pie chart shows the results of that survey. The numbers in the pie chart are the ratios. Study the diagram and answer the following questions.

How many more people surveyed like Drama movies than those who like Romance movies?

A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest work in 14 days. A alone can complete the work in _____.

In a row of boys, Amit is ranked 12th from top and Ratan is 15th from bottom. They interchange their position. Ratan now becomes 37th from bottom. How many total boys are there in the row?

Who was the first man to go to space?

The design principle that is based on repetition is called

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 1st group and the 4th period?

Which phase of DMAIC is designed to insure that the problem does NOT reoccur and that the new processes can be further improved over time?