Math, asked by pratikkhade70, 10 months ago

4 draughtsman can complete a drawing in 10 deays .after 6 days ,2 Extra draughtsman joind in group .how many day are now saved ​

Answers

Answered by cheemaharmail17
0

Step-by-step explanation:

8 days. ..................

Answered by pshekhar2004
0

ANSEWR:

Work done by 1 man in 1 day = 1/40

Work done by 4 men in 6 days = 6×4×(1/40) = 0.6

Work left = 1 - 0.6 = 0.4

Now 2 men join,

Work done by 6 men in 1 day = 6/40 = 3/20

Days needed = 20×0.4/3 = 8/3 days = 2.67 days

Total time taken = 6+2.67 = 8.67 days

No. Of days saved = 1.33

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