a is twice as good as b and therefore can finish a job in 50 days less than If they work together then in how many days they would finish the job
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100/3 days
Step-by-step explanation:
A is twice as good as b
efficiency ratio of A : B = 2:1
A took x days to complete a work
B took (x + 50) days to complete a work
Total work = no. of days * efficiency
2 \times x = 1 \times( x + 50)2×x=1×(x+50)
x = 50x=50
A complete a work in 50 days
B complete a work in 100 days
1/50 + 1/100 = 3/100
A and B together complete a work in 100/3 days
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