71.

If cos²θ - sin θ = 1/4, then what is the value of sin θ?

• -1

• 1/2

• 1

• 3/2

The table below shows the number of students of a college studying Arts, Science, Commerce and Business for given 5 years.

What is the percentage increase in number of students of Commerce from 2012 to 2016?

• 11.16%

• 17.28%

• 13.51%

• 15.67%

The table below shows the number of students of a college studying Arts, Science, Commerce and Business for given 5 years.

What is the simple annual growth rate (in %) of the number of students of Business from 2012 to 2016?

• 10%

• 12.5%

• 15%

• 17.5%

The table below shows the number of students of a college studying Arts, Science, Commerce and Business for given 5 years.

What is the ratio of average number of students studying Arts per year and average number of students studying Science per year?

• 169 : 331

• 66 : 169

• 127 : 261

• 32 : 75

The table below shows the number of students of a college studying Arts, Science, Commerce and Business for given 5 years.

Which year shows the maximum percentage increase in the total number of students in these 4 subjects over the previous year?

• 2013

• 2014

• 2015

• 2016