railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency

The efficiency of A is 25% more than B and the efficiency of C is 25% less than B. If C alone can complete a task in 20 days, then find in how many days A and B together can complete the whole work?

1

20/3 days

2

15/4 days

3

22/3 days

4

16/5 days

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