Question

three cooks have to make 80 idlis. they are known to make 20 pieces every minute working together. the first cook began working alone and made 20 pieces having worked for sometime more than three minutes. the remaining part of the work was done by the second and the third cook working together. it took a total of 8 minutes to complete the 80 idlis. how many minutes would it take the first cook alone to cook 160 idlis for a marriage party the next day

Answer 1

it will take 16 min for 160 idlis .

Answer 2

Answer:32

Step-by-step explanation:

1st cook take 4 min and ,2nd and 3rd cook also worked 4 min

4A+4(B+C)=4(A+B+C )

A+B+C=20

1st cook 20 idli in 4 min so 160 in 32 min.