Subject :IMO Class : Class 8
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 ?
A 13.5
B 4.5
C 6
D 5
answer is C. it has been proved in other sites as well....one day's work of A=1/9one day's work of B= 1/9 x 150/100 1/9 x 3/2 =1/6 work is completed in 6 days by B.
Ans 1:
Class : Class 8
Ans 2:
Class : Class 8
6
Ans 3:
Class : Class 8
answer is coming as B in site
Ans 4:
Class : Class 10
Answer:C
Solution
Work done by A in 1 day = 1/9
Work done by B in 1 day = 1/9 + 50% of 1/9 = 3/18 = 1/6
Days needed by B to complete the work = 6 days
Solution
Work done by A in 1 day = 1/9
Work done by B in 1 day = 1/9 + 50% of 1/9 = 3/18 = 1/6
Days needed by B to complete the work = 6 days