three pieces of timber of lengths 63m,42m,35, have to be divided into planks of the same length. what is the greatest possible length of each plank? how many planks are formed?
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Answer:
the length of each plank is 7m
Number of planks are 20
Step-by-step explanation:
HCF of 63,42,35 is 7
there fore lenght of each plank is 7m
63/7=9
42/7=6
35/7=5
Number of planks is 9+6+5=20
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