aight objective type questions :
A can do a work in 12 days and B can finish the same work in 24 days. If they work togeth
many days will they complete the work ?
d) 6
c) 9
a) 10
b) 8
Answers
Answered by
8
Answer:
Let their be 24 units of work (LCM of 12&24).
A does 24/12= 2 units work per day.
B does 24/24= 1 unit work we day.
Both do (2+1)=3 units work per day.
Number of days to complete the total work i.e. 24 units of work =24/3 = 8 days
Ans: 8 days
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