Math, asked by Anonymous, 11 months ago

plz help me........

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Answered by RvChaudharY50

0

Answer:

very easy :

LCM of 10, 20 = 20

efficiency = 2,1 (P+Q and P)

efficiency of Q = 2-1 = 1,

Q takes = 20/1 = 20 days (Ans.)

Answered by Anonymous

1

Step-by-step explanation:

hey dear option second is the right one

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