engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Quantitative Aptitude Time and Work Work Efficiency
A and B can do a piece of work in 2 days and 42 days, respectively. The number of days [Correct to one decimal place] required to complete the work if both A and B work together is:
1
3.3
2
1.9
3
1.3
4
5.1