Question

(a) The HCF of 9x 4 x 25, 3 x16 x 5 is​

Answer 1

Answer:

20

Step-by-step explanation:

9×4×25 = 900

3×16×5 = 240

900 = 2×450 240 = 2×120

= 2×2×275 = 2×2×60

= 2×2×5×55 = 2×2×2×30

= 2×2×5×5×11 = 2×2×2×2×15

= 2×2×2×2×3×5

HCF = 2×2×5

= 20