Math, asked by sweety365, 1 year ago

plz solve the question

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Answered by Hriday0102
1
No. of days A finish the work = 16 days
" " " B. " " " = 20 days
" " " C " " " = 30 days

Now ,

Speed of doing the work by A ,B & C together = HCF of 16 , 20 , 30 = 2

Now ,

Speed of doing 3+ 1/2 the work = (3 + 1/2) × 2 = 7/2× 2

= 7 days............... ANS

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