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girdhari

· started a discussion

· 1 Months ago

by option (Question: 269916.0 )

p=20 nd p+q = 15 ,
eff p=3 nd p+q = 4 here p =3 nd q = 1 hence p is more eff than p so ans

Question:

If P and Q can complete a work together in 15 hrs. However, P works alone and completes half the job and the Q completes the remaining half and work completes in 40 hrs. How long will P alone take to do the job if Q is more efficient than P?

Options:
A)

20 hrs

B)

30 hrs

C)

60 hrs

D)

40 hrs

Solution:

Ans: (a)

  

Arti

· commented

· 1 Months ago

no need of calculation ...it is obvious 60 hrs

Arti

· commented

· 1 Months ago

how did u take p=20?

girdhari

· commented

· 1 Months ago

/than q so ans
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