Multiple choice

In a class there are 60 students. The following pie diagram shows the number of students according to blood-group. There are 8 students having blood-group A, 18 students having blood-group O. Students having B group are represented by $120^o$, find the number of students having AB blood-group :

  1. 14

  2. 16

  3. 18

  4. 20
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Total students = 60. A=8, O=18. B group = 120 degrees out of 360 = 1/3 of total = 20 students. AB group = 60 - (8 + 18 + 20) = 60 - 46 = 14.

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