Math, asked by kdkanxkicoe, 1 year ago

please solve question 19 and 20

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Answered by AJAYMAHICH
0
20 .

hcf of the numbers will be =7
then divide with plank a , b, c
plank A 42/7=6
plank B 49/7=7
plank c  63/7=9
total number of planks will be= 6+7+9=22



19.


hcf (each stack) = hcf (336, 240, 96)

=48

no of stacks of maths book

no of stacks of english book = 7

no of stacks of maths book = 5

no of stacks of science book = 2

total stacks = 14 
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