railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Time and Work

Sony and Mary can complete a painting in 4 days and 6 days, respectively. Then work on same painting on alternate days starting with Mary. In how many days will they together complete the painting?

1

4.5

2

5.25

3

5

4

4.75

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