. ‘A’ can do a piece of work in 20 days which
'B' alone can do in 12 days. 'B' worked at
it for 9 days then 'A' can finish the remaining
work in:
A. 3 days
C. 7 days
25
A car takes 2 hours to reach a destination by
B. 5 days
D. 11 days
Answers
Answered by
0
Answer:
B.5 Days
Step-by-step explanation:
Hey Mate! Here Is Your Answer.
A -------- 20 days
B-------- 12 days
L.C.M of 20&12 is 60. means total work is 60 unit
A's 1 day work --------- 3 unit
B's 1 day work --------- 5 unit
work done by B in 9 days is 5×9 = 45 unit
means 45 unit work B has finished and the remaining (60-45)=15 unit work will be finished by A
A's 1 day work is 3 unit so to complete 15 unit he will take 15/3 = 5 days
Hope It Helps.
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