Home » Aptitude » Time and Work » Question
  1. A can do a work in 9 days, if B is 50% more efficient than A, then in how many days can B do the same work?
    1. 13.5 days
    2. 4.5 days
    3. 6 days
    4. 3 days
Correct Option: C

Time taken by

B = 9 ×
100
= 6 days
150

Aliter : Using Rule 17,
Here, x = 9, R = 50%
Time taken by B
= x ×
100
days
100 + R

= 9 ×
100
= 6 days
150



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