What is the value of the given expression?
(a + b + c)² - a²- b² - c²
Study the table and answer
The table shows classification of 100 students based on marks obtained by them in statistics and mathematics in an examination out of 50.
Subject | 40 and above | 30 and above | 20 and above | 10 and above | 0 and above |
Mathematics | 8 | 33 | 90 | 82 | 100 |
Statistics | 5 | 22 | 60 | 87 | 100 |
If at least 60% marks in Mathematics are required for pursuing higher studies in Mathematics, then how many students will be eligible to pursue higher studies in Mathematics?
The following tbale gives the information of the number of students (in 1000s) placed in 5 different companies during 6 different years.
Year |
Company
|
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A | G | Y | T | F | |
2010 | 9.6 | 10.4 | 9.3 | 9.8 | 8.7 |
2011 | 10.4 | 12.6 | 7.2 | 13.8 | 6.2 |
2012 | 12.6 | 9.8 | 10.4 | 14.9 | 9.8 |
2013 | 16.8 | 15.4 | 11.4 | 16.3 | 11.3 |
2014 | 19.3 | 13.4 | 13.4 | 11.8 | 7.8 |
2015 | 18.7 | 16.7 | 12.7 | 15.7 | 13.7 |
What is the difference (in thousands) between the students placed in all companies in the year 2014 and 2012?