Question

plz solve que 9 in attachment​

Answer 1

Answer:

180

Explanation:

4 x 45 = 180

9 x 20 = 180

10 x 18 = 180

Answer 2

Answer:

900

Explanation:

L.c.m of 4,9,10 = 2×2×3×3×5

=4×9×5

=180

since 5 is not pair

180 is not a perfect square .

so we multiply by 5 to make pair.

so our numbers become

180 × 5 = 2×2×3×3×5×5

= 900

now it becomes a perfect square

the number is = 900