the ratio of working of a and b is 3:4. what will be the ratio of time taken by them to complete the work
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Answered by
0
1/A+1/B=1/18
With some algebra= A+B=A*B/18
B does the Work (W) for a time T while
A does W/2 in 3/4T, for the whole Time (T) A would make 2W/3
So A equals 2B/3
2B/3 + B = 2B/3 * B /18
B=45
A=30
then ratio is 4:3
With some algebra= A+B=A*B/18
B does the Work (W) for a time T while
A does W/2 in 3/4T, for the whole Time (T) A would make 2W/3
So A equals 2B/3
2B/3 + B = 2B/3 * B /18
B=45
A=30
then ratio is 4:3
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22
Hi mate
4:3 is your answer
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