Question

(d) 27,63
1. Find the HCF of the following numbers :
(a) 18,48
(b) 30, 42
(e) 36, 84
(f) 34, 102
(h) 91, 112, 49 (i) 18, 54, 81
(c) 18,60
(g) 70, 105, 175
() 12, 45,75​

Answer 1

(a) 18,48

18/2= 2×3×3      48/2= 2×2×2×2×3

Common= 2×3.        HCF = 6 Ans.

(b) 30,42

30/2 = 2×3×5.    42/2 = 2×3×7

Common = 2×3.         HCF = 6 Ans.