Quantitative Aptitude
Pertomtance of 1800 students in grades has been shown in the following pie chart.
In which two grades taken together is the number of students 54 less than the number of students in grades B and E taken together?
The following bar graph shows the total number of youth (in lakhs) and the number of employed youth (in lakhs) in 5 A,B,C,D,E.
Which state has the maximum number of unemployed youth?
If x = 4 + √15, what is the value of \[ \left(x^{2} + \frac{1}{x^{2}}\right) \]