Question 56

In a school drill, a number of children are asked to stand in a circle. They are evenly spaced and the 6th child is diametrically opposite the 16th child. How many children are made to stand in the circle?

Solution

Since it is given that student numbered 6 and 16 are diametrically opposite each other. So, the students between them at one of the two sides will be numbered from 7 to 15 including both, which is equal to 9. The same number of students will be at the opposite side. Now including student numbered 6 and 16, there are a total of 9+9+2 students= 20 students.


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