Question

a and b can do a piece of work in 72 days : b and c can do it in 120 days :a and c can do it in 90
days . in what time can a, b and c together finished the work​

Answer 1

Answer:

A and B's 1 day work = 1 / 72

B's ans C's 1 day work = 1 / 120

C and A's one day work = 1 /90

2 ( A's + B's + C's ) 1 day work = 1 / 72 + 1/120 + 1/90 = 1 / 30

( A's + B's + C's ) 1 day work = 1 / 60

A's + B's + C's Full time to do work = Inverse of 1/60 = 60 days

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Answer 2

Answer:

You are amrit or Anitha of the sigma youth organization you witness ghastly accident of the Punjab mail at phusavil write a report