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A, B, C तीनों मिलकर किसी काम को 30 दिन में करते हैं A+C की छमता B से दोगुनी है और A+B की छमता C तीन गुनी है ज्ञात करो A अकेला उसी काम को कितने दिन में करेगा ​

Answers 2

Answer:

1/X,1/Y,1/z

1/X+1/Y+1/z=30

1/X+1/z=2/Y

1/X+1/Y=3/z

2/Y+1/Y=1/30

3/Y=1/30

3/z+1/Y=1/30

4/z=1/30

z=120

1/120+1/90

3+4/360

7/360

1/30-7/360

12-7/360

5/360

360/5

72days

Answer:

Step-by-step explanation:

72 days

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