The table below indicates the percentage of students and the ratio of boys and girls in the various streams of a college.

Questions :

Options :

• 36°
• 70°
• 72°
• 74°

correct answer : c)

Total students = 2600, in ME = 22% → 572 students.
Boys : Girls = 6 : 5 → Girls = (5/11) × 572 = 260.
Total girls in all streams = 208 + 260 + 312 + 260 + 260 = 1300.
Fraction for ME girls = 260 / 1300 = 1/5.
Central angle = (1/5) × 360° = 72° (Option C).