state gov WBPSC Food SI Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency

​A is 20% more efficient than B. How much time will they working together take to complete a job which A alone could have done in 29 days?

1
\(\frac{145}{11}\)
2
\(\frac{116}{11}\)
3
\(\frac{203}{11}\)
4
\(\frac{174}{11}\)
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