Q47
Working together B and C take 50% more number of days than A, B and C together take and A and B working together, take 8/3 more number of days than A, B and C take together. If A, B and C all have worked together till the completion of the work and B has received Rs. 120 out of total earnings of Rs. 450, then in how many days did A, B and C together complete the whole work?
Working together B and C take 50% more number of days than A, B and C together take and A and B working together, take more number of days than A, B and C take together. If A, B and C all have worked together till the completion of the work and B has received Rs. 120 out of total earnings of Rs. 450, then in how many days did A, B and C together complete the whole work?
A.
2 days
B.
4 days
AnswerC.
6 days
D.
8 days
E.
10 days
Answer: Option B
Solution
Answer: Option B
Solution:
Ratio of efficiencies of A, B and C,= 5x : 4x : 6x
Number of days required by A and B = ------ (1)
Number of days required by A, B and C = ------ (2)
Number of days required by A, B and C
=
=
= 4 days