Solved IB ACIO Question
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Q · Order and Rankingmedium · 45s
In a class of 75 students, where boys are twice that of girls. Dhanuja ranked thirteenth from top. If there are four girls ahead of Dhanuja, how many boys are after her in rank?
TopicOrder and Ranking
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
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The number of girls and boys in the class is 25 and 50 respectively. According to the question, there are 4 girls ahead of Dhanuja.
∴ 12-4 = 8 boys are ahead of her. Hence, the number of boys ranked after Dhanuja = 50 – 8 = 42
Final Answer: Option B - 42