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## Explanation

- On sport day 30 children were made to stand in a column = 16 columns.

- If 24 children were made to stand in a column = ? column (columns are needed to calculate).

We need to establish a relation between no. of children and no. of columns.

- Less children in a column means more column.

- And more children in a column means less column.

So can easily find out the relation is inverse and equation becomes;

30/24 = y/16

Through this equation; we can easily find out the value of y (required number of columns = 20 which is our required answer).

## To Find

No. of columns if 24 children were made to stand in a column = ?

## Solution

**Children Column**

30 16

24 y

More children in a column means less columns.

And less children in a column means more columns. So there is inverse relation;

30/24 = y/16

30 x 16 = 24 x y

480 = 24y

480/24 = y

20 = y

Required number of columns = **20 answer**

## Conclusion

On sport day, 30 children were made to stand in a column, then 16 columns could be formed. If 24 children were made to stand in a column, then 20 columns could be formed.