Question

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

Answer 1

a) 18 and 48

18 h.c.f

2×3×1

48 h.c f .

2×2×2×2×3

2×2×3.

b) 30 and 42

30 h.c.f .

3×2×5

42 h.c.f

2×3×7

c) 18 and 60

18 h.c.f.

2×3×1

60 h.c.f.

2×2×3×5.

d) 27 and 63

27 h.c.f

3x3x3

63 h.c.f

7×3×3