state gov Delhi District Court (DDC) Group C Mock Test 2021 Quantitative Aptitude Time and Work Work Efficiency

30 पुरुष 25 दिवसांत एक काम पूर्ण करू शकतात. तेच काम 15 पुरुष किती दिवसांत पूर्ण करू शकतात?

1
50
2
30
3
20
4
75
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