Question

A group of 630 children is arranged in rows for a group photograph session. Each
row contains three fewer children than the row in front of it. What number of rows
is not possible?
(1) 3
(2) 4
(3) 5
(4) 6
(5) 7

Answer 1

4rows are not posible option 2nd is correct answer for your question

Answer 2

2. ....4 number of rows