Question

Directions : Study the following graph carefully to answer the questions these questions

Number of students of college B in year 2005 is what per cent of total students of college B in all the years together? (rounded off to two digits after decimal)

• A. 20.61
• B. 23.79
• C. 21.79
• D. 17.29
• E. None of these

Answer 1

The correct option is C 21.79

Total number of students in college B over all the years

=(30 + 60 + 65 + 70 + 80 + 85) thousand

Number of students in college B in 2008 = 85 thousand

$\therefore$ Required percentage $=\frac{85}{390}\times 100=21.79\%$