find the HCF of 20 and 30 with the help of multiplication tables by infestation
Answers
Answer:
Step-by-step explanation:
HCF =9,20and30=10
Answer:
Step-by-step explanation:
(d) 20 and 30
(d) 24, 36
Find the HCF of the numbers with the help of multiplication tables (by inspection
1. (a) 3 and 6
(b) 12 and 8
(c) 18 and 27
2. (a) 33, 44
(b) 24, 16
(c) 15, 25
3. (a) 11 and 16
(b) 13 and 27
(c) 15 and 28
(d) 30, 45
(e) 72,
3
Find the HCF of the numbers by finding factors.
4. (a) 6,9
(b) 10, 15
(c) 20, 32
Find the HCF of the numbers by prime factorization
(c) 36 and 81
(d) 56 and 84
(b) 64 and 80
(d) 66 and 19
(c) 72 and 126
(b) 48 and 128
5. (a) 30 and 75
6. (a) 45 and 105
7. (a) 165 and 275
2
(c) 240 and 300
(d) 130 and 2
(b) 120 and 168
(b) 38, 57 and 76
(f) 132, 154 and 176
8. (a) 36, 48 and 84
(e) 120, 128 and 496
(d) 63, 81 and
(h) 130, 1950
(c) 54, 72 and 90
(g) 210, 240 and 360