Question

Maths:
1.Find the common factors of:
a) 15,21 b) 15,45,100.
2. Find the HCF of:
a) 24,28,36 b) 54,72,162.
3. Find the LCM of:
a) 84,90,120 b) 108,135,162.
4.Test the Divisibility of 4&8 of:
a) 687352 b) 102389.
5.Test the Divisibility of 3&9 of:
a) 102357 b) 678277​

Answer 1

Answer:

1) a( 3 b) 5

2)a) 4 b) 6

3) a) 840 b) 1080

4) a) divisible b) not divisible

5) a) divisible b) not divisible