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In an annual function of class 7th, total of 550 students attended the function. 40% of the attendees are male, out of which, 10% participated in dancing. Out of the total, 33.33% of females participated in dancing. The number of students participating in anchoring is 16.67% of the total number of students who participated in dancing. Find the number of students who participated in anchoring.
1. 22
2. 27
3. 25
4. 34
5. 29

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Correct Answer - Option 1 : 22

Given:

Total number of students = 550

Number of males = 40%

Calculations:

Total number of students = 550

Number of males = 40%

⇒ Number of males = (40/100) × 550 = 220

Number of females = (550 - 220) = 330

Now, Males who participated in dancing = 10% of 220

⇒ Males who participated in dancing = (10/100) × 220 = 22

Now, Females who participated in dancing = 33.33% of 330

⇒ Females who participated in dancing = (1/3) × 330 = 110

Total number of students who participated in dancing = (22 + 110)

⇒ Total number of students who participated in dancing = 132

Students participated in anchoring = 16.67% of 132

⇒ Students participated in anchoring = (1/6) × 132 = 22

∴ The number of students who participated in anchoring is 22.

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