7. The students in a school can be arranged in 12, 15 and 18 equal rows and also
into a solid square. What is the lowest number of students that can be in the
school? (Hint: find the LCM)
8. 529 students stand in the assembly hall so that there are as many students in
a row as there are rows in the hall. How many students are standing in each
row?
9. Mrs Ali wants to buy a carpet for her square drawing room. If the carpet
measures 324 square metres, what is the length of each side of the drawing
room?
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10. Mariam wants to buy a tablecloth that covers her square tabletop completely. If
the area of the tablecloth is 6400 square centimetres, what is the length of the
side of the table?
11. What is the smallest number that will divide into 216 to get a perfect square?
12. A gardener plants trees in a square formation. If he plants 25 trees in a row,
how many trees are there?
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