Question

In a sports day event , the incharge has asked to arrange 6000 children in such a way that the number of rows is equal to number of columns. Based on this case study answer the following questions.

(i) find the number of children who are not involved in the formation .
(a) 71 (b) 17 (c) 23 (d) 32

(ii) Find the number of students in each row
(a ) 34 (b) 77 (c) 89 (d) 60

(iii) find the perimeter of the formation(figure)
(a) 388 (b) 838 (c) 308 (d) 803

(iv) find the length of the diagonal of the formation(figure)
(a) 34√ (b) 77√2 (c) 89√2 (d) 60√2

Answer 1

Answer:

Let the number of rows as a No. of columns = a Total number of students who sat in the field = a2 Hence ,total students is a2 + 71 = 6000 a2 = 5929 a = √5929 a = 77 ∴ total number of rows are 77.