A and B can do a work in 30 days and 40 days
respectively. A worked for 9 days, then B joined and
they together completed the remaining work. If they
earn 210 for the work, then what is the share of A?
(A) 147 (B) 175
(C) 168 (D) 155
Answers
Answered by
1
the options are wrong answer is 165
Answered by
0
Answer:
please mark my answer as the brainliest
Step-by-step explanation:
LCM =120
Now A=120/30=4
B=120/40=3
A+B=4+3=7
divide the money in half
210/2=105
A worked for 15 days and then B joined.
A will receive the first 210 rupees
Then after 15 days both A and B worked
So rest amount left is 105 rupees so it
to be divided to both A and B
Efficiency of A=
So according to this money it has to be
divided
4/7 x 105 =60 rupees
Total share of A =105+60= 165 rupees
Hope these help you
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