Question

4. In a garden, a farmer plants 9216 saplings in rows to form a square. Find the number of saplings in eade
row.
5. Find the least square number which is exactly divisible by each of the numbers: 8, 12, 15, and 20.
6. Find the smallest number by which each of the following numbers should be multiplied so as to get a
perfect square. Also, find the square root of the perfect square thus obtained.
(a) 3072 (b)4802 (c) 1452(d)845

Answer 1

Answer:

I hope this will help you

Answer 2

4)Square root of 9216 is 96
5) 8,12,15,20
2——————-
4,6,15,10
2——————-
2,3,15,5
3———————
2,1,5,5
5—————-
2,1,1,1
Lcm =2*2*3*5*2=120
6) 3072
2—————
1536
2—————-
768
2————
384
2———-
192
2————
96
2———
48
2———
24
2———
12
2———6
2——-
3
Must be multiplied by 3
Square root is 2*2*2*2*2*3=96