Question

Three pieces of timber 24.30,21.60and36.45m long have to be divided into planks of the same lenngth. What is the greatest possible length of the plank

Answer 1

Answer:

H.C.F of 2430,2160,3645m long.

Step-by-step explanation:

1. H.C.F of 2430=2×5×3×3×3×3×3
2. H.C.F of 2160=2×2×2×2×5×3×3×3
3. H.C.F of 3645=5×3×3×3×3×3×3,so their H.C.F is 5×3×3×3=135m length of the plank.