To all students Form 1h & 1 s
- please answer these questions in Maths Exercise Book :
1. Circle the numbers which have 4 as factor : 42, 68, 142, 520, 1180, 13244.
2. Circle the numbers which have 7 as factor : 112, 121, 142, 154, 266, 2157.
3. List all prime factors of the following numbers :
a) 63
b) 96
c) 105
d) 124
4. a) List all factors of 36.
b) List all factors of 42.
c) Write the common factors of 36 and 42.
5. Find HCF of the following numbers :
a) 96 and 112
b) 154 and 231
c) 30, 40 and 60
d) 27, 63 and 108